Solution: Find the equation of the directrix of the parabola y^2 = 16x

Find the equation of the directrix of the parabola y^2 = 16x. How to find the dirctrix of the parabola?

Find the equation of the directrix of the parabola y^2 = 16x.

Problem Statement: ECE Board April 1994, ECE Board April 1999

Find the equation of the directrix of the parabola y^2 = 16x.

Problem Answer:

The equation of the directrix of the parabola is x = -4.

Solution:

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