Answer
$x=-3, 0$
Work Step by Step
Red line: $y=-x^2+4$
Blue line: $y=3x+4$
$-x^2+4=3x+4$
$-x^2= 3x$
$0=x^2+3x$
$0=x(x+3)$
$0=x$
$x+3=0$
$x=-3$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 9 - Quadratic Functions and Equations - 9-8 Systems of Linear and Quadratic Equations - Practice and Problem-Solving Exercises - Page 585: 13
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