Question

What is the equation of the quadratic graph with a focus of (4, 0) and a directrix of y = 10?

Answer 1

This is enough information to immediately find the Vertex. Draw the given information and then just write in the Vertex. Go!

Answer 2

Question 19 (Multiple Choice Worth 1 points)

(03.09)

What is the equation of the quadratic graph with a focus of (4, 0) and a directrix of y = 10?

f(x) = −one twentieth (x − 4)2 + 5
f(x) = −one twentieth (x + 4)2 + 5
f(x) = one twentieth (x − 4)2 + 5
f(x) = one twentieth (x + 4)2 + 5