T he equation for a parabola with directrix y = –p and focus (0, p) is:
https://media.glynlyon.com/g_alg02_ccss_2013/8/equation_parabola.gif

What is the vertex?

(0, p)

(0, -p)

(0, 0)

(p, 0)

(-p, 0)

Question

T he equation for a parabola with directrix y = –p and focus (0, p) is:
https://media.glynlyon.com/g_alg02_ccss_2013/8/equation_parabola.gif

What is the vertex?

(0, p)

(0, -p)

(0, 0)

(p, 0)

(-p, 0)

jdoe0001 · Answer

heheh  that looks like the other equation  =)

jdoe0001 · Answer

if you look at those pictures on the other posting... y-axis IS correct btw

and I'd think you know the vertex already anyhow