Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 2 - Solving Linear Inequalities - Chapter Test - Page 97: 9

Answer

$h\lt7 $ or $h\gt 11$ The graph is shown below.

Work Step by Step

The given inequality is $\Rightarrow -5\lt 2-h$ or $6h+5 \gt 71$ Solve the first inequality. $\Rightarrow -5\lt 2-h$ Add $h$ to each side. $\Rightarrow -5+h\lt 2-h+h$ Simplify. $\Rightarrow -5+h\lt 2$ Add $5$ to each side. $\Rightarrow -5+h+5\lt 2+5$ Simplify. $\Rightarrow h\lt 7$ Solve the second inequality. $\Rightarrow 6h+5 \gt 71$ Subtract $5$ from each side. $\Rightarrow 6h+5 -5\gt 71-5$ Simplify. $\Rightarrow 6h\gt 66$ Divide each side by $6$. $\Rightarrow \frac{6h}{6}\gt \frac{66}{6}$ Simplify. $\Rightarrow h\gt 11$ Hence, the solution is $h\lt7 $ or $h\gt 11$.
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