SOLUTION: Graph x^2 + 2x - 8y + 25 = 0

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Question 386168: Graph
x^2 + 2x - 8y + 25 = 0
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
given:x^2 + 2x - 8y + 25 = 0
complete the square
(x^2+2x+1) -8y = -25+1
(x+1)^2-8y=-24
8y=(x+1)^2+24
÷ both sides by 8
y=(1/8)*(x+1)^2+3
This is a parabola that opens upward with vertex at (-1,3)
see graph below:
+graph%28+300%2C+200%2C+-10%2C+5%2C-5%2C+5%2C+%281%2F8%29%2A%28x%2B1%29%5E2%2B3%29+