SOLUTION: How would you find the roots and vertex of y=8x(squared)+16x?

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Question 714624: How would you find the roots and vertex of y=8x(squared)+16x?
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
y=8x%5E2%2B16x To find the roots solve y=0
8x%28x%2B2%29=0 the roots are x=0 or x=-2
The vertex is the point (x,y) where x=-b%2F2a
x=-16%2F16
x=-1,and
y=8%28-1%29%5E2%2B16%28-1%29
y=-8.