Algebra 1

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

Chapter 11 - Rational Expressions and Functions - 11-6 Inverse Variation - Practice and Problem-Solving Exercises - Page 690: 10


$y = \frac{-2}{x}$ or xy = -2

Work Step by Step

Our equation for an inverse variation is $y = \frac{k}{x}$ or $xy = k$. We will use the second form of the equation to solve for k. $(-2)\times1 = k$ $-2 = k$ $k = -2$ Therefore, our equation for the inverse variation is $y = \frac{-2}{x}$ or xy = -2
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