Question

What is the standard form for `y = 4(x - 2)^2 - 1`?

Answer 1

`y=4x^2-14x+15`

Explanation:

`y=4(x-2)^2-1`

`y=4(x^2-4x+4)-1` expand binomial product

`y=4x^2-14x+16-1` expand brackets

`y=4x^2-14x+15` simplify