IDNLearn.com: Your one-stop destination for reliable answers to diverse questions. Ask anything and receive prompt, well-informed answers from our community of knowledgeable experts.
A parabola with focus F(5, 4) and directrix y = -8 contains the point
P(x, y).
First, we will find an expression for the distance from P, a random point on
the parabola, to the directrix.
Write an expression for PD and simplify if necessary:
