Algebra 2 (1st Edition)

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

Chapter 9 Quadratic Relations and Conic Sections - 9.4 Graph and Write Equations of Ellipses - 9.4 Exercises - Mixed Review - Page 639: 60

Answer

-18.75

Work Step by Step

Finding the inverse constant, we find: $$k=xy=(-15)(-5)=75$$ When $x=-4$: $$y=\frac{75}{-4}=-18.75$$
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