Question

I don't get this at all, someone please help me! Attached below.

Answer 1

Can someone please teach me how to find the standard form?

Answer 2

@amistre64

Answer 3

This is a question involving completing the square.
Shift all terms except x to the right hand side.

Answer 4

So we get -y2 + 8y +5

Answer 5

Can you draw that out for me so I know what that means?

Answer 6

@padfoot22

Answer 7

Coefficient of y2 must be positive, so we multiply by -1

Answer 8

A faster way to do it is to expand all the choices to see which one is correct

Answer 9

Use (a+b)^2 to finish

Answer 10

@AravindG