When a function has a vertex, the letters h and k are used to represent the coordinates of the vertex. Because an absolute value function has a vertex, the general form is y = a0x-h0 + k.The vertical stretch or compression factor is 0a 0, the vertex is located at (h, k), and the axis of symmetry is the line x = h.Key Concept General Form of the Absolute Value FunctionEx-1 : We are given an approximate value of π is 22/7 = 3.1428571 and true value is 3.1415926. Calculate absolute, relative and percentage errors? Solution - We have True value X= 3.1415926, And Approx. value X 1 = 3.1428571. So now we calculate Absolute error, we know that E A = X - X 1 =δX Hence E A = 3.1415926- 3.1428571 = -0.0012645 ...Ex-1 : We are given an approximate value of π is 22/7 = 3.1428571 and true value is 3.1415926. Calculate absolute, relative and percentage errors? Solution - We have True value X= 3.1415926, And Approx. value X 1 = 3.1428571. So now we calculate Absolute error, we know that E A = X - X 1 =δX Hence E A = 3.1415926- 3.1428571 = -0.0012645 ...The absolute value of a number may be thought of as its distance from zero. In mathematics, the absolute value or modulus of a real number , denoted , is the non-negative value of without regard to its sign. Namely, if is a positive number, and if is negative (in which case negating makes positive), and . For example, the absolute …De nition If ais a real number, the absolute value of ais jaj= ˆ a if a 0 a if a<0 Example Evaluate j2j, j 10j, j5 9j, j9 5j. Algebraic properties of the Absolute Value 1. jaj 0 for all real numbers a. 2. jaj= j ajfor all real numbers a. 3. jabj= jajjbj, the absolute value of the product of two numbers is the product of the absolute values. 4 ...|4-8i|=sqrt{4^2+(-8)^2}=sqrt(16+64)=sqrt80=4sqrt5. Taking, sqrt5~=2.236, |z|~=4xx2.236=8.944 Absolute Value or Modulus |z|of a Complex No. z=x+iy is defined by, |z ...Explanation: Absolute value of a negative number is the number opposite to it. So. | −4| = − ( − 4) = 4. Answer link. See explanation.Click here 👆 to get an answer to your question ️ The absolute value of 4+7i is equal to the square root of Gauthmath has upgraded to Gauth now! 🚀 Calculator Download Gauth PLUSA complex number is any number of the form x + yi where x,y are real numbers and i is the imaginary number √ (-1). (All real and imaginary numbers are also complex numbers.) Let N be the complex number x + yi. The complex conjugate of N is equal to x - yi. The modulus of N is √ (x^2 + y^2). The modulus N and its conjugate are equal.6.NS.C.7.d. In this sixth-grade lesson plan, teachers will help students understand what absolute value is and how to find it with and without a number line. Students will also learn how to compare the absolute values of two numbers, and apply their understanding of absolute value within real-world contexts, such as temperature, elevation, and ...The derivative of absolute value (function) is defined as the rate of change or the slope of a function at a specific point. The absolute value function is defined as: { x if x ≥ 0 − x if x < 0. Given its piecewise definition, the derivative of the absolute value function can also be found piecewise. However, there's a catch.The absolute value of $|-4|$ is $4$. This is a tricky question, and the answer to that is no, that is not always the case. You might wonder how it is possible because the absolute value of $-1$ and $1$ is $1$ and, similarly, the absolute value of $-2$ and $2$ is $2$ if we are dealing with whole numbers. We consider the absolute value of "$0 ...Less positive (move closer to zero). In the $120 to $160 price range in Figure 5.1, the absolute value of the price elasticity of demand is closest to: 2.33. If the price is reduced from $100 to $80 in Figure 5.1, ceteris paribus: Total revenue will decrease. Ashely has a budgeted $40 per month for candy bars.Simply enter two real numbers in the input sections and hit the calculate button to avail the Absolute Difference of two numbers in a matter of seconds. 4. Why is the Absolute Value of a number always positive? Absolute Value is always positive as it is the distance of a number from zero in the number line.Algebra Properties of Real Numbers Additive Inverses and Absolute Values. 2 Answers Wataru Nov 11, 2014 Remember that the absolute value sign is a negative sign eraser, so we have: #{(|-10|=10),(|10|=10):}# I hope that this was helpful. Answer link. Firelight Nov 11 ...The absolute value is the distance between a number and zero. The distance between and is . Step 3.3.2.3. The final answer is . Step 3.4. The absolute value can be graphed using the points around the vertex. Step 4 ...Simplifying expression with absolute value and unknown. 13. Derivatives of functions involving absolute value. 3. The contradiction method used to prove that the square root of a prime is irrational. 1. Solving absolute value equation in complex numbers. 32. Calculating the square root of 2. 0.The complex number is, We know that, The absolute value of a complex number x + iy, is defined as the distance between the origin (0, 0) and the point (x, y) in the complex plane. Its value is calculated by, Now, by using the above formula the absolute value of the complex number is, ⇒ =. To learn more about absolute value visit:Scaling & reflecting absolute value functions: equation. Google Classroom. About. Transcript. The graph of y=k|x| is the graph of y=|x| scaled by a factor of |k|. If k<0, it's also reflected (or "flipped") across the x-axis. In this worked example, we find the equation of an absolute value function from a description of the transformation ...For its absolute value, i.e |z| = |-4 +i4| Which is the distance of this point in the Argand plane from the origin. for calculating the absolute value of any imaginary point Z = x+iy, |Z| = |x+iy| |Z| = sqrt (x^2 + y^2) Use the above concepts and find the absolute value of the above imaginary point on your own.Shift absolute value graphs Get 3 of 4 questions to level up! Scale & reflect absolute value graphs Get 3 of 4 questions to level up! Graph absolute value functions Get 3 of 4 questions to level up! Quiz 1. Level up on the above skills and collect up to 240 Mastery points Start quiz. Piecewise functions.Shift absolute value graphs Get 3 of 4 questions to level up! Scale & reflect absolute value graphs Get 3 of 4 questions to level up! Graph absolute value functions Get 3 of 4 questions to level up! Quiz 1. Level up on the above skills and collect up to 240 Mastery points Start quiz. Piecewise functions.The absolute value of a number is the number without its sign. Syntax. ABS(number) The ABS function syntax has the following arguments: Number Required. The real number of which you want the absolute value. Example. Copy the table below, and paste into cell A1 in Excel. You may need to select any cells that contain formulas and press F2 and ...4. Write in symbols: The absolute value of a number, n, is 15. This is a page from the dictionary MATH SPOKEN HERE! , published in 1995 by MATHEMATICAL CONCEPTS, inc., ISBN: 0-9623593-5-1.The absolute value of a number is the magnitude of that number regardless of the sign before it. For example, the absolute value of both -4 and 4 is 4. Let's look at the left side of the equation, -abs(-4).The absolute value is a special case of parentheses. We do the work inside the parentheses 1st. The absolute value gets applied to the result, not the parts. Consider this numeric example: |3 (5)-9|. 1) Using PEMDAS: Mulitply, substract, then do absolute value once there is one number. |3 (5)-9| = |15 -9| = |6| = 6.a) Using the midpoint formula, calculate the absolute value of the price elasticity of demand between e and f. is coincident with the horizontal axis. lies above the midpoint of the curve. lies below the midpoint of the curve. D) is coincident with the vertical axis.Also, the absolute value of -4 is written as |-4|. As we discussed earlier, the absolute value results in a non-negative value all the time. Hence, |4|=|-4| =4. That is, it turns negative numbers also into positive numbers. The …The absolute value of complex number is also a measure of its distance from zero. However, instead of measuring this distance on the number line, a complex number's absolute value is measured on the complex number plane.Linear and Absolute Value Function Families. In this Concept we will examine several families of functions. A family of functions is a set of functions whose equations have a similar form. The parent of the family is the equation in the family with the simplest form. For example, y = x 2 is a parent to other functions, such as y = 2x 2 - 5x + 3.Absolute Value. The absolute value (or modulus) of a real number is the corresponding nonnegative value that disregards the sign. For a real value, a, the absolute value is: a, if a is greater than or equal to zero. -a, if a is less than zero. abs(-0) returns 0. Correct answer: f (x) = x 4 + (1 – x) 2. Explanation: When we take the absolute value of a function, any negative values get changed into positive values. Essentially, | f ( x )| will take all of the negative values of f ( x) and reflect them across the x -axis. However, any values of f ( x) that are positive or equal to zero will not be ... The absolute value of a number n is the distance of the number n from zero. The absolute value is denoted by vertical bars as | n |, and is read aloud as "the absolute value of enn". (There is a technical definition for absolute value, but unless you go as far as taking calculus, you'll likely never even see it.) In other words it is the magnitude or size of a number, no negatives allowed. The symbol "|" is placed either side to mean "Absolute Value", so we write: |−6| = 6. Try it yourself: Absolute Value. Illustrated definition of Absolute Value: How far a number is from zero. Examples: 6 is 6 away from zero, so the absolute value of 6 is 6 minus6... For example, the absolute value of 4 is 4 : − 5 − 4 − 3 − 2 − 1 0 1 2 3 4 5 4. This seems kind of obvious. Of course the distance from 0 to 4 is 4 . Where absolute value gets interesting is with negative numbers. For example, the absolute value of − 4 is also 4 : − 5 − 4 − 3 − 2 − 1 0 1 2 3 4 5 4. Absolute Value for a number x is denoted by |x|, pronounced as “module x”. Absolute values are only numeric values and do not include the sign of the numeric value. Learn about Absolute valueS in detail, including …A low absolute neutrophil count is referred to as neutropenia . This occurs when the ANC is less than 2,500 cells/mcL. At levels below 1,000, you are at an increased risk of infection. A high absolute neutrophil count is called neutrophilia . This occurs when the ANC is over 6,000 cells/mcL.Remove the absolute value brackets and solve the equation for 2 different cases. STEP 3: Check to see whether each solution is valid by putting each one back into the original equation and verifying that the two sides of the equation are equal. - In CASE 1, the solution, w = 22, is valid because 12 + | 22 - 4 | = 12 + 18 = 30.2) The absolute values (besides being the distance from zero) act as grouping symbols. Once you get to the point that you can actually drop the absolute values, if there is a number in front, that number must be distributed. Example: 14 |x+7| = 2 becomes 14 (x+7) = 2 and 14 (x+7) = -2.Testing solutions to absolute value inequalities. In this math lesson, we learn how to determine if given values of x satisfy various absolute value inequalities. We examine three different inequalities and test each x value to see if it meets the inequality's conditions.Hi Kt B, The absolute value of a number is simply the distance a number is from 0 on the number line. So, |4| is 4 because it is 4 units away from 0. Also, |-4| is also 4 because -4 is 4 units from 0. Your question says " a number, x is more than 12 units from the number 7". This means the distance between x and 7 (distance between also means ...http://www.greenemath.com/In this video we explain how to find the absolute value of a number. What is the absolute value of a number? The absolute value of ...Step 1: Enter the Equation you want to solve into the editor. The equation calculator allows you to take a simple or complex equation and solve by best method possible. Step 2: Click the blue arrow to submit and see the result! The solve for x calculator allows you to enter your problem and solve the equation to see the result.The absolute value of -4 is 4, because it is four units to the right of zero on the number line. Learn how to simplify, compare and use absolute values with examples and exercises.The value of x is ± (1/9). Step-by-step explanation: Consider the provided statement. If 3 is added to the absolute value of the product of a number and −9, Now convert this into mathematical form. Let the number is x then the product of number and -9 is -9x. For absolute value we use the mode. Thus the required expression is: 3 + |-9x|De nition If ais a real number, the absolute value of ais jaj= ˆ a if a 0 a if a<0 Example Evaluate j2j, j 10j, j5 9j, j9 5j. Algebraic properties of the Absolute Value 1. jaj 0 for all real numbers a. 2. jaj= j ajfor all real numbers a. 3. jabj= jajjbj, the absolute value of the product of two numbers is the product of the absolute values. 4 ...An absolute value function is a function that contains an algebraic expression within absolute value symbols. Recall that the absolute value of a number is its distance from 0 on the number line. The absolute value parent function, written as f ( x ) = | x | , is defined as. f ( x ) = { x if x > 0 0 if x = 0 − x if x < 0.Absolute value is a term used in mathematics to indicate the distance of a point or number from the origin (zero point) of a number line or coordinate system. This can apply to scalar or vector quantities. The symbol for absolute value is a pair of vertical lines, one on either side of the quantity whose absolute value is to be determined.In other words it is the magnitude or size of a number, no negatives allowed. The symbol "|" is placed either side to mean "Absolute Value", so we write: |−6| = 6. Try it yourself: Absolute Value. Illustrated definition of Absolute Value: How far a number is from zero. Examples: 6 is 6 away from zero, so the absolute value of 6 is 6 minus6...To find the interval for the first piece, find where the inside of the absolute value is non-negative. x2 + 4x+4 ≥ 0 x 2 + 4 x + 4 ≥ 0. Solve the inequality. Tap for more steps... All real numbers. Since x2 +4x+4 x 2 + 4 x + 4 is never negative, the absolute value can be removed. x2 + 4x+4 x 2 + 4 x + 4. Free math problem solver answers ...Absolute Value Caculator in Batch. Numbers: Absolute Values:The function returns the absolute value (modulus) of the specified numeric value. double MathAbs ( double value // numeric value ); Parameters. value [in] Numeric value. Return Value. Value of double type more than or equal to zero. Note. Instead the MathAbs() function you can use fabs (). Math Functions MathArccos . Join us — download ...The absolute value of a number represents its distance from zero on a number line, always resulting in a positive value. This concept is essential in mathematics, as it helps to simplify calculations and understand the magnitude of numbers, regardless of their positive or negative sign. Examples include finding the absolute values of 5, -10 ...There is are four solutions to this absolute value equation: -4, 3, -3, and 2. Example 4: Solve the absolute value equation . View a video of this example Be careful on this one. It is very tempting to set this up the same way we did example 2 or 3 above, with two solutions. ...Answer: Step-by-step explanation: Absolute Value of the number is the distance of the number from zero on the number line. Thus, the absolute value of -8 and 8 is the same i.e. 8. That means, the absolute value of negative or positive of that number is always a positive number of that number. Absolute value is the distance of a number from zero, whether it is a positive or negative number. The sign + or - in front of a number has no bearing on the absolute value as it is simply the size of the value from zero. In practical terms absolute value can be thought as the distance of the number from zero on a number line. Examples. The ... For its absolute value, i.e. |z| = | −4 + i4|. Which is the distance of this point in the Argand plane from the origin. for calculating the absolute value of any imaginary point Z = x+iy, |Z| = |x +iy|. |Z| = √x2 +y2. Use the above concepts and find the absolute value of the above imaginary point on your own. Answer link.So it's negative 2 times the absolute value of x plus 10 is equal to, well the whole point of this, of the 6 times the absolute value of x plus 10 minus 6 times the absolute value of x plus 10 is to make those cancel out, and then you have 10 minus 4, which is equal to 6. Now, we want to solve for the absolute value of x plus 10.fabs () function of math.h header file in C programming is used to get the absolute value of a floating point number. This function returns the absolute value in double. Syntax: double fabs (double a); Parameter: It will take a single parameter which is to be converted to an absolute value. Return Value: While passing values to fabs (), we …Verified answer. find the absolute value 3.4=. verified. Verified answer. Jonathan and his sister Jennifer have a combined age of 48. If Jonathan is twice as old as his sister, how old is Jennifer. star. 4.8 /5. heart.Free Complex Numbers Calculator - Simplify complex expressions using algebraic rules step-by-stepThis Algebra video provides a basic introduction into graphing absolute value functions using transformations and data tables. It explains how to find the d...According to theory, we never will.) Absolute zero is at -273.15 Celsius, or -459.67 Fahrenheit. The Kelvin temperature scale uses the same size degree as Celsius, but has its zero set to absolute zero. To convert from Celsius to Kelvin, add 273.15 to the Celsius reading. ... 4.2: liquid helium boils-459.67-273.15: 0: absolute zero:The reason this happens is the absolute value always creates a positive number. And, a positive number will never = a negative number. So, let's extend that concept to inequalities. 1) An absolute value < a negative: In this situation, we have a positive value < a negative value. That would always be false. More Examples. Here are some more examples of how to handle absolute values: |−3×6| = 18. Because −3 × 6 = −18, and |−18| = 18. −|5−2| = −3. Because 5−2 = 3 and then the first minus gets us −3. −|2−5| = −3. Because 2−5 = −3 , |−3| = 3, and then the first minus gets us −3. −|−12| = −12. Because |−12| = 12 and then the first minus gets us −12. What is Absolute Difference? Absolute difference is the size of the difference between any two numbers. You can think of this as the distance between the two numbers on a number line. Whether the numbers are positive or negative, absolute difference tells you the value of this distance. Examples of Absolute Difference Formula Calculations: 1.The absolute value function f ( x ) is defined by. f ( x ) = | x | = {-x, x<0 0, x=0 x, x>0. is called an absolute value function. It is also called a modulus function. We observe that the domain of the absolute function is the set R of all real numbers and the range is the set of all non-negative real numbers.Here's how to calculate the mean absolute deviation. Step 1: Calculate the mean. Step 2: Calculate how far away each data point is from the mean using positive distances. These are called absolute deviations. Step 3: Add those deviations together. Step 4: Divide the sum by the number of data points. Following these steps in the example below is ...What is absolute value? Absolute value is the distance a number is from 0.. To find the absolute value, place the number on a number line and measure the distance from 0.. For example, What is the absolute value of -2?-2 is 2 away from 0, so the absolute value is 2.. To write this mathematically, use the absolute value symbol, which is two vertical bars around a number or expression: |-2|=2.Simple Interest Compound Interest Present Value Future Value. Economics. Point of Diminishing Return. ... Absolute Convergence; Power Series. Radius of Convergence; Interval of Convergence; ODE. ... 4.6 based on 20924 reviews derivative-calculator. en. Related Symbolab blog posts.Here's how to calculate the mean absolute deviation. Step 1: Calculate the mean. Step 2: Calculate how far away each data point is from the mean using positive distances. These are called absolute deviations. Step 3: Add those deviations together. Step 4: Divide the sum by the number of data points. Following these steps in the example below is ...This calculus video tutorial explains how to evaluate limits involving absolute value functions. It explains how to do so by evaluating the one sided limits...Click here 👆 to get an answer to your question ️ Select all numbers that have an absolute value of 4. See what teachers have to say about Brainly's new learning tools! WATCH. close. Skip to main content. search ... 4 & -4. Absolute (denoted by the vertical bars) means that everything between them is converted to non-negative ...The real way to look at absolute values is that they are a number's distance from 0 on the number line: TRY IT: Use a number line to show the answers to these. 1. of 1. What's an Absolute Value? - Cool Math has free online cool math lessons, cool math games and fun math activities. Really clear math lessons (pre-algebra, algebra, precalculus ...fabs () function of math.h header file in C programming is used to get the absolute value of a floating point number. This function returns the absolute value in double. Syntax: double fabs (double a); Parameter: It will take a single parameter which is to be converted to an absolute value. Return Value: While passing values to fabs (), we can ...Solving Absolute Value Inequalities. As we know, the absolute value of a quantity is a positive number or zero. From the origin, a point located at \((−x,\, 0)\) has an absolute value of \(x,\) as it is \(x\) units away. Consider absolute value as the distance from one point to another point.We can see the following: The output values of the absolute value are equal to 4 at x = 1 and x = 9. The graph of f is below the graph of g on 1 < x < 9. This means the output values of f(x) are less than the output values of g(x). The absolute value is less than or equal to 4 between these two points, when 1 < x < 9.Use this calculator to find the absolute value of any number, including -4. The symbol for absolute value is | x | where | x | = x, and | -x | = x. Learn the definition, formula and examples of absolute value.The absolute value of a number is the number without its sign. Syntax. ABS(number) Number is the real number of which you want the absolute value. Example. Col1. Formula. Description (Result)-4 =ABS([Col1]) Absolute value of -4 (4) Need more help? Want more options? Discover Community.Definition: Absolute Value. Absolute value for linear equations in one variable is given by. If |x| = a, then x = a or x = −a If | x | = a, then x = a or x = − a. where a a is a real number. When we have an equation with absolute value, it is important to first isolate the absolute value, then remove the absolute value by applying the ...The absolute value function is 1/4 or 0.25 after using the concept of the absolute value function. What is the number? A number is a mathematical entity that can be used to count, measure, or name things. For example, 1, 2, 56, etc. are the numbers. It is given that:
An absolute number takes the positive value of a number, without regards to its sign. Mean is an average of a set of numbers. So, what is the mean absolute deviation? It's the average of every value's distance from a certain central point. This point can be a mean, median, mode, or any other statistically significant number.. Us number phone
the absolute value is never negative; the absolute value of 0 is 0 because the distance between a number and itself is zero. The absolute value of a number a is written as ∣ a ∣ . For example, the absolute value of - 7 is written as | - 7|. Example 1: Find the absolute value of 2. Solution: Graph 2 on a number line. Answer: ∣ 2 ∣ ...4.9: Absolute Value Functions. There are a few ways to describe what is meant by the absolute value | x | of a real number x. You may have been taught that | x | is the distance from the real number x to 0 on the number line. So, for example, | 5 | = 5 and | − 5 | = 5, since each is 5 units from 0 on the number line.Remember that the absolute value sign is a negative sign eraser, so we have: #{(|-10|=10),(|10|=10):}# I hope that this was helpful. Answer link. Firelight Nov 11, 2014 The absolute value is how far away a number is form zero |10| and |-10| so 10 is 10 values away from zero and -10 is 10 values away from zero ...Scaling & reflecting absolute value functions: graph. Google Classroom. About. Transcript. The graph of y=k|x| is the graph of y=|x| scaled by a factor of |k|. If k<0, it's also reflected (or "flipped") across the x-axis. In this worked example, we find the equation of an absolute value function from its graph. Questions.The absolute value of a number is the number without its sign. Syntax. ABS(number) Number is the real number of which you want the absolute value. Example. Col1. Formula. Description (Result)-4 =ABS([Col1]) Absolute value of -4 (4) Need more help? Want more options? Discover Community.Absolute Value is the distance a number is from zero. In algebra we study many topics about absolute value to include the definition of absolute value, absol...The absolute value of a real number x is the distance between this number and zero. We denote it by |x|. Algebraically: |x| = x if x is non-negative; and. |x| = -x if x is …Absolute Value Worksheet FREE. Part 1: Find the absolute values. Part 2: Compare numbers with absolute values. Part 3: Find two values for each variable. 6th Grade. View PDF. Compare and Order Numbers With Absolute Values. On this printable, students will compare pairs of numbers using <, >, and =. Then they will order sets of four numbers from ...4·(-2) + 1 = |2·(-2) - 3| => -8 + 1 = |-4 - 3| => -7 = +7, which is a mathematical absurdity. This same process of dividing the absolute value equation or absolute value inequality, then checking what solutions make sense, is very useful and standard.The absolute value is a special case of parentheses. We do the work inside the parentheses 1st. The absolute value gets applied to the result, not the parts. Consider this numeric example: |3 (5)-9|. 1) Using PEMDAS: Mulitply, substract, then do absolute value once there is one number. |3 (5)-9| = |15 -9| = |6| = 6. If we plot the real numbers on the real number line, the absolute value of any real number is simply its distance from 0 on the real number line. Similarly, we plot the complex numbers on the complex plane. In the complex plane, the origin represents the number 0. Thus, the absolute value of a complex number is the distance between that number ... Question 764709: Find the absolute value of the complex number 4 + 4i Find the absolute value of the complex number -3 - 6i Find the absolute value of the complex number 5 - 4i. Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website! Rule: |a+bi| = sqrt[a^2+b^2]The absolute value of a number is the distance of the number from zero on the number line. The absolute value of a number is never negative. Learn what an absolute value is, and how to evaluate it. Explains absolute value in a way that actually makes sense. Using a number line, the concept of absolute value is illustrated through several example.More answers. The absolute value of 4 is 4. The absolute value is just the distance away from 0. The absolute value of -4 woulkd also be 4. It is 0. Positive Integers get cancelled with Negative Integers if their digit is the same. Hence the answer is 0 and has no value. Absolute value of -4 is 4.The distance between a complex number and the origin on the complex plane . The absolute value of a + bi is written | a + bi |, and the formula for | a + bi | is √a2+b2 a 2 + b 2. For a complex number in polar form r (cos θ + i sin θ) the modulus is r. See also. Real number, imaginary number , argument of a complex number. For example, the absolute value of 4 is 4 : − 5 − 4 − 3 − 2 − 1 0 1 2 3 4 5 4. This seems kind of obvious. Of course the distance from 0 to 4 is 4 . Where absolute value gets interesting is with negative numbers. For example, the absolute value of − 4 is also 4 : − 5 − 4 − 3 − 2 − 1 0 1 2 3 4 5 4. The absolute value of a number is its distance from zero on the number line. We started with the inequality | x | ≤ 5. We saw that the numbers whose distance is less than or equal to five from zero on the number line were − 5 and 5 and all the numbers between − 5 and 5 (Figure 2.8.4 ). Figure 2.8.4.Free Complex Numbers Calculator - Simplify complex expressions using algebraic rules step-by-step.