OpenStax, Algebra and Trigonometry 2e §2.7 Linear Inequalities and Absolute Value Inequalities · Exercise 38 · Algebra · Inequalities
Linear Inequalities and Absolute Value Inequalities · Exercise 38
Graph both straight lines (left-hand side being y1 and right-hand side being y2) on the same axes. Find the point of intersection and solve the inequality by observing where it is true comparing the y-values of the lines.
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OpenStax, Algebra and Trigonometry 2e · §2.7 Linear Inequalities and Absolute Value Inequalities · Exercise 38
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