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Hira S.

asked • 07/17/19

Find an equation of the parabola with focus at (-4,0) and with directrix x=3.

Express your answer in the form x=f(y)

So, I got (y-0)^2=4(3.5)(x-(-1/2))

I simplified it to be y^2=14(x+1/2)

and I solved for x which gave me x=1/14y^2-1/2

still says its wrong! :((

2 Answers By Expert Tutors


Hira S.

Thank You so much! I forgot the p was negative. :O


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