SOLUTION: Solve the system y = -x + 7 and y = 0.5(x - 3)^2
Algebra.Com
Question 1072567: Solve the system y = -x + 7 and y = 0.5(x - 3)^2
Answer by Boreal(15235) (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.
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