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 - 2.4 - Solving Multi-Step Inequalities - Exercises - Page 77: 4

Answer

The correct graph is $A.$

Work Step by Step

The given inequality is $\Rightarrow 4p+4\geq 12$ Subtract $4$ from each side. $\Rightarrow 4p+4-4\geq 12-4$ Simplify. $\Rightarrow 4p\geq 8$ Divide each side by $4$. $\Rightarrow \frac{4p}{4}\geq \frac{8}{4}$ Simplify. $\Rightarrow p\geq 2$ The solution is $ p\geq 2$. Use a close circle because $2$ is a solution. Shade the number line on the right side. Hence, the correct graph is $A.$
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