Question

У = 3(х – 4)2 – 8
How do you write this in standard form

Answer 1

`y = 3x^2-24x+40`

Explanation:

Hi there!

Standard form:
`y=ax^2+bx+c`

`y = 3(x-4)^2-8`

Solve
`(x-4)^2`

`y = 3(x^2-8x+16)-8`

Multiply 3 by the parentheses

`y = 3x^2-24x+48-8\\y = 3x^2-24x+40`

I hope this helps!