Quadratic written into standerd form

Question

I'm not sure how to do this problem and if you know how to do this please help

y=9(x+3)^2+6

Thanks if you can help

Answer 1

Hello, Jeremiah,

I'm not positive I understand what standard form is, but here's my guess.

y=9(x+3)²+6

We'll first expand the (x+3)² term to x² + 6x + 9

Then multiply by 9: 9x² + 54x + 81

Finally, add the 6: 9x² + 54x + 81 + 6

y = 9x² + 54x + 87

Bo b