Question

Given the directrix of y = 4 and focus of (0, 2), which is the equation of the parabola?

y = one fourthx2 + 3
y = −one fourthx2 + 3
y = −one fourthx2 − 3
y = one fourthx2 − 3

Answer 1

Do you know what parabola means?

Answer 2

kinda

Answer 3

What do you think it means?

Answer 4

a symmetrical curve that is at equal distance from a certain point

Answer 5

Yes good so what does directix mean?

Answer 6

a fixed line that is used in describing a curve or surface.

Answer 7

Ok good so now knowing that stuff what is a answer we can eliminate.

Answer 8

D and C?

Answer 9

Yes good job so could your be a or b?

Answer 10

Would it be A?

Answer 11

Yes it would

Answer 12

Good job