Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 9 - Quadratic Functions and Equations - 9-8 Systems of Linear and Quadratic Equations - Practice and Problem-Solving Exercises - Page 599: 10


The solutions of the system are $(-1,2)$ and $(4,-8)$.

Work Step by Step

We are given: $y=x^2-5x-4$ $y=-2x$ Graph both equations in the same coordinate plane. The points of intersection are $(-1,2)$ and $(4,-8)$. Hence, the solutions of the system are $(-1,2)$ and $(4,-8)$.
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