Question

Please help

Use vertex form to write the equation of the parabola.

A. y=(x+2)^2+2

B. y=3(x-2)^2+2

C.y=3(x+2)^2+2

D.y=3(x-2)^2-2

Answer 1

vertex at (-2,2)
\[y = a(x+2)^{2}+2\]
use other given point to solve for "a"
(-1,5)
\[5 =a (-1+2)^{2}+2\]
a = 3

Answer 2

I solved it and got B. would that be correct ? @dumbcow

Answer 3

?? what did you solve...i laid out the solution above ^^

Answer 4

Yeah I solved for A.

Answer 5

o wait I see my mistake

Answer 6

alright I got C @dumbcow

Answer 7

yep

Answer 8

thank you very much