Question

Help please (Medals will be rewarded)
(PICTURE BELOW)

Answer 1

@phi

Answer 2

first reduce it into the form of x^2=4ay, the general equation of parabola.

Answer 3

what do you mean ?

Answer 4

\[x ^{2}-8x+16-16+-124-28\]
\[\implies (x-4)^{2}=28(y+5)\]
Now you can do your own

Answer 5

whats my x & y so i can plug that in to get my answer.

Answer 6

^ thats what i mean.

Answer 7

@Joseph91

Answer 8

so then (x,y)=(4,-5)

Answer 9

so my answer is c ?