SOLUTION: find the standard form of the parabola with the given characteristic and vertex at the origin. Focus: (0,-7) Is the answer y2=-28x?

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Question 429692: find the standard form of the parabola with the given characteristic and vertex at the origin.
Focus: (0,-7)
Is the answer y2=-28x?
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
Answer:Since the focus of our parabola there is on y-axis, its equation will be:
x%5E2=4cy, since c=-7 the equation is:
x%5E2=-28y.
graph%28400%2C+400%2C+-10%2C+10%2C+-10%2C+10%2C+%28-1%2F28%29%2Ax%5E2%29
Done