Asked by carter
The y-value of a solution to the system y=-x^2+4x+3 and x+y=-11 is
A. –9
B. –2
C. 7
D. 18
I think I fixed the typo
A. –9
B. –2
C. 7
D. 18
I think I fixed the typo
Answers
Answered by
oobleck
just solve
-x^2+4x+3 = -11-x
x = -2 or 7
x+y = 11, so y = 13 or 7
-x^2+4x+3 = -11-x
x = -2 or 7
x+y = 11, so y = 13 or 7
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