College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 5 - Section 5.1 - Polynomial Functions and Models - 5.1 Assess Your Understanding: 1

Answer

Y-intercept: 9 X-intercepts: $\pm 2$

Work Step by Step

To find the x-intercept, we let y equal 0: $$9x^2 +0 = 36 \\ x^{2}=4 \\ x= \pm 2$$ To find the y-intercept, we let x equal 0: $$ 4y= 36 \\ y=9$$
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