Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - 1.6 Solve Inequalities - 1.6 Exercises - Skill Practice - Page 44: 2

Answer

$1)$ $x+c\geq-4 +c$ $2)$ $\frac{1}{c} \times x >\frac{1}{c}\times 20$ $3)$ $c\times x \leq c\times 3$ $4)$ $-c\times x < -c\times (-17)$ $5)$ $-c \times x\geq-c\times (-5)$

Work Step by Step

$Subtract$ If $x\geq-4$, then $x+c\geq-4 +c$ $x+3\geq-4 +3$ $x+3\geq-1$ $Multiply$ If $x > 20$, then $c\times x > c\times 20$ $\frac{1}{2}x > \frac{1}{2}20$ $\frac{1}{2}x >10$ $Divide$ If $x \leq 3$, then $c\times x \leq c\times 3$ $5x \leq 5\times 3$ $5x \leq 15$ $Multiply$ If $x> -17$, then $-c\times x < -c\times (-17)$ $-x < 17$ $Divide$ If $x\leq-5$, then $-c \times x\geq-c\times (-5)$ $-9x\geq-9\times (-5)$ $-9x\geq45$
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