Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix A - Exercise Set - Page 975: 18



Work Step by Step

For this problem, you set the general formula of linear function $Y=aX+b$. Then plug (-2,6) and (0,9) into this formula. You get $6=-2a+b$ and $b=9$. Combine this two together, you get $6=-2a+9$, $a=3/2$
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