Algebra 1

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

Chapter 5 - Linear Functions - 5-2 Direct Variation - Mixed Review: 55

Answer

$m=-\frac{5}{3}$

Work Step by Step

To find the slope, we use the formula $m=\frac{y_2-y_1}{x_2-x_1}$. We plug in the $x$ and $y$ values from the given coordinate pairs: $m=\frac{3-(-2)}{-2-1}$ We simplify above and below the fraction bar with subtraction: $m=\frac{5}{-3}$ Then, we move the negative sign out front: $m=-\frac{5}{3}$
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