Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 5 - Linear Functions - 5-1 Rate of Change and Slope - Practice and Problem-Solving Exercises: 44

Answer

x=-6

Work Step by Step

$\frac{-1}{2}$=$\frac{b2-b1}{a2-a1}$ $\frac{4-8}{2-x}$=$\frac{-1}{2}$ $\frac{-4}{2-x}$=$\frac{-1}{2}$ -8= -1(2-x) (Cross multiply) -8 =-2+x => x=-6 (Simplify)
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