SOLUTION: How is this quadratic : f(x)=-2x^2-4x written in standard form? What is the vertex and axes intercepts?

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Question 1137501: How is this quadratic : f(x)=-2x^2-4x written in standard form? What is the vertex and axes intercepts?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
-2x%5E2-4x
-2%28x%5E2%2B2x%29
-2%28x%5E2%2B2x%2B1-1%29
-2%28%28x%2B1%29%5E2-1%29
-2%28x%2B1%29%5E2%2B2

vertex, (-1, 2)


x%5E2%2B2x=0
x%28x%2B2%29=0

x-intercepts, (0, 0) and (-2, 0).