Question

What are the coordinates of the vertex of the function below? Write your answer in the form (x,y).

y-11=-(x-5)^2

Answer 1

This is standard vertex form:

\[y-y_1 = a(x-x_1)^2\]

Where the vertex will be \((x_1,y_1)\)

Answer 2

So what do you have for \((x_1,y_1)\) in this case?

Answer 3

(-5.-11)

Answer 4

Very close! (5,11) note that the - are part of the form, not the value of the coordinates in the formula.

Answer 5

oo, thank you

Answer 6

Oh wait. I have a small error.

Answer 7

It doesn't affect this answer though.

Answer 8

Actually I'm wrong. I don't have an error ;p

Answer 9

phew, scared me for a second. lol thank you

Answer 10

lol