B.4 Solving Inequalities Algebraically and Graphically
Inequalities Involving Absolute Value Solving an Absolute Value Inequality Let x be a variable or an algebraic expression and let a be a real number such that a ≥ 0. 1. The solutions of |x|< a are all values of x that lie between -a and a |x|< a if and only if -a < x < a Double inequality 2.
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