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ACCUPLACER
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Absolute Value Inequalities
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ACCUPLACER
AAF.013 Absolute Value Inequalities
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Determine the solution set for |5(2x - 4) + 1| < 21. Which option matches the compound inequality with the correct graph?
A
-1/5 < x < 4; graph: number line with open circles at -1/5 and 4, shading between the endpoints
B
4/5 < x < 3; graph: number line with open circles at 4/5 and 3, shading between the endpoints
C
x < -1/5 or x > 4; graph: number line with open circles at -1/5 and 4, shading left of -1/5 and right of 4
D
-1/5 ≤ x ≤ 4; graph: number line with closed circles at -1/5 and 4, shading between the endpoints
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