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The focus of a parabola opening to the right is at the point (-1,7). The point...

The focus of a parabola opening to the right is at the point (-1,7). The point (11,12) is on the graph of the parabola.

a) what is the directrix

b) what is the vertex of the parabola

c) what is the equation

Math   Precalculus   
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