SOLUTION: Solve the following system of equations algebraically. y = -x^2 + 3 y = -4x + 7

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Question 188503: Solve the following system of equations algebraically.
y = -x^2 + 3
y = -4x + 7
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
y = -x^2 + 3
y = -4x + 7
:
-4x%2B7=-x%5E2%2B3
:
x%5E2-4x%2B4=0
:
%28x-2%29%28x-2%29=0
:
x=2
:
y=-4(2)+7=-1