Algebra 2 (1st Edition)

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

Chapter 4 Quadratic Functions and Factoring - 4.9 Graph and Solve Quadratic Inequalities - 4.9 Exercises - Skill Practice - Page 304: 31

Answer

$2 \lt x\lt 8 $

Work Step by Step

Given $x^2 -10x \lt-16$. Rewrite as: $x^2-10x+16 \lt 0$. Then make a table of values: Notice that $x^2-10x+16 \lt 0$ when $2 \lt x\lt 8 $. The solution of the inequality is $2 \lt x\lt 8 $.
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