Question

Using a directrix of y = -2 and a focus of (1, 6), what quadratic function is created?

Answer 1

someone please help

Answer 2

I like to start with a drawing:

I called the Focus F

Answer 3

now the vertex should be midway between the F and the dirextrix

Answer 4

we know the vertex lays on the same vertical line the focus lays
we just need to determine the y value
the y value of the F is 6
the y value of the directrix is -2 (for any point but we are concerned mainly with what happens at x=1 since that is the vertical line that both the focus and the vertex lay)
anyways what number is half way between 6 and -2?

Answer 5

2

Answer 6

Freckles are you still there ?

Answer 7

@freckles

Answer 8

someone please help i need to finish this exam

Answer 9

Didn't think it was an exam.

Answer 10

Sorry I can't help.

Answer 11

its ok