SOLUTION: Use the completing square: Y=-x^2-4x-7

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Question 983264: Use the completing square:
Y=-x^2-4x-7
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
This one is easier because the process involves factoring a -1 and the missing square term is easy to identify. The term is 4.

y=-%28x%5E2%2B4x%2B7%29
y=-%28x%5E2%2B4x%2B4-4%2B7%29
y=-%28%28x%2B2%29%5E2%2B3%29
highlight%28y=-%28x%2B2%29%5E2-3%29