Question

A parabola can be drawn given a focus of left parenthesis, minus, 11, comma, 5, right parenthesis(−11,5) and a directrix of x, equals, minus, 3x=−3. What can be said about the parabola?
x
y
F (-11, 5)
directrix
Answer
Attempt 1 out of 2

The parabola has a vertex at (
,
), has a p-value of
and it
.

Answer 1

Vertex: (-7, 5).
p-value: -4 (|p| = 4).
It opens to the left.

(Equation in standard form: (y − 5)^2 = 4p(x + 7) = -16(x + 7).)