'Value equations' diaporamas de présentation

Chapter 0 The Preliminaries Section 1 Exponents, Roots & Scientific Notation

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Absolute-Value Equations and Inequalities

Absolute-Value Equations and Inequalities. Mental Math Solving. Think ? What values could x be that would make the equation true? HINT: There are two! ANSWER: 5 or -5. Mental Math Solving (More Example). ? x = 7 or -7 ? x = 9 or -9 ? x = 18 or -18. Solving an Absolute-Value Equation.

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Absolute Value Equations

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1.6 Absolute-Value Equations & Inequalities

1.6 Absolute-Value Equations & Inequalities. Absolute value of a number is its distance from zero on the number line. Absolute value of a number is never negative. If x ? 0, then |x| = x If x < 0, then |x| = -x. Properties of Absolute Value. For any real number a and b |ab| = |a| |b|

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