Question

Find the equation of a parabola with a focus at (3,1) and a directrix at y = 3.

Question 5 options:

A)

y = 1∕4(x – 3)2 + 2


B)

y = –1∕4 (x – 3)2 + 3


C)

y = –1∕4 (x – 3)2 + 2


D)

y = 1∕4(x – 3)2 + 3

Answer 1

directrix is; y= {-5}

Explanation:

Answer 2

c ) y = –1∕4 (x – 3)2 + 2

Explanation: