A parabola that has its vertex at the point with coordinates (-1,6) passes through the point (2,10). Find the equation of the parabola.

could someone please help me out. all working out.

thanxxx heaps.

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- May 5th 2008, 03:48 PM #1

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- May 5th 2008, 04:35 PM #2
Given a parabola in the form , the vertex is given as (b, c). So, knowing that (-1, 6) is our vertex, we can simply plug it in to get:

Now, we know that (2,10) is a point on the curve so we can simply substitute it in and solve for the remaining variable a.