SOLUTION: Solve the system y = -x + 7 and y = 0.5(x - 3)^2

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Question 1072567: Solve the system y = -x + 7 and y = 0.5(x - 3)^2

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
-x+7=(0.5)(x-3)^2
-2x+14=(x^2-6x+9)
x^2-4x-5=0
(x-5)(x+1)=0
x=5, -1
check
2=2, true, so x=5 is a root
check
8=8 true, so -1 is a root.
graph%28300%2C300%2C-5%2C7%2C-10%2C10%2C-x%2B7%2C0.5%28x-3%29%5E2%29