Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 8 Rational Functions - 8.3 Graph General Rational Functions - 8.3 Exercises - Skill Practice - Page 569: 29



Work Step by Step

Plugging in the given points' coordinates, our equations are: $4=\frac{a}{1^2+b}=\frac{a}{1+b}\\4+4b=a$ and $2=\frac{a}{(-2)^2+b}=\frac{a}{4+b}\\8+2b=a$ Thus $4+4b=8+2b\\2b=4\\b=2$ And $a=4+4(2)=12$
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