Answer
I
Work Step by Step
perpendicular slopes have a product of -1
$-.5*x=-1$
$-.5*x/-.5 = -1/-.5$
$x = 2$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 12 - Data Analysis and Probability - 12-3 Measures of Central Tendency and Dispersion - Standardized Test Prep - Page 732: 41
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