Math Calculators ▶ Absolute Value Calculator
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Table of Content
Absolute value calculator provides the absolute values of real values and functions separately for the given values. Our calculator provides all the important information about inequalities and absolute functions.
In mathematics, the absolute value or modulus | x | of the real number x is the non-negative value of x, regardless of its sign. That is | x | = x means positive x, | x | = -x means negative x (in this case -x is positive), and | 0 | =0.
The general form of absolute value notation equation is:
F(x) = k + a |x – h|
This equation used by the absolute value graph calculator, where, k and h tell about how the graph shifts vertically and horizontally. The variable “a” tells us how far the value graph stretches vertically, and whether the graph opens down or up.
Solving absolute value equations is simple as using ordinary linear equations. The only additional important step is to divide the original absolute value equation into two parts: positive and negative (±) components.
Solve the absolute value equation − ∣ x ∣ = −9.
Don’t come to the conclusion that this equation has no solution too quickly. Although the right side of the equation is a negative number, the absolute value expression itself must be a positive number. this is not RIGHT?
-|x| = -9
-1 . |x| = -9
-1 . |x| / -1 = -9/-1
|x| = 9
|x| = a => x = +a, x = -a
|x| = 9 => x = 9, x = -9
Our absolute value equation calculator changes the input values into the positive number and check the particular points of the absolute value graph and equation with the following steps:
From the source of Wikipedia: Terminology and notation, Definition and properties, Complex numbers, Proof of the complex triangle inequality, Absolute value function.