Algebra 2 (1st Edition)

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

Chapter 4 Quadratic Functions and Factoring - 4.1 Graph Quadratic Functions in Standard Form - 4.1 Exercises - Mixed Review - Page 243: 64

Answer

12/5

Work Step by Step

Isolating x on one side of the equation, we find: $$ -5x = -12 \\ x=\frac{12}{5}$$ Checking: $$ -9(\frac{12}{5})+7 = -4(\frac{12}{5}) -5 \\ -14.6=-14.6$$
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