SOLUTION: Find the equation of the parabola wit vertex at (-5,4),opening to the left and passes through (-7,1).

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Question 944692: Find the equation of the parabola wit vertex at (-5,4),opening to the left and passes through (-7,1).
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Standard Form, assuming vertical symmetry axis, y=a%28x-h%29%5E2%2Bk, vertex is (h,k).

From that, solving for a,
a=%28y-k%29%2F%28x-h%29%5E2

Plug-in the numbers.