Question

Expand the following quadratic to standard form. y=(x-2)^2+6

Answer 1

The equation contains a binomial which is multiplied by itself.

(x - 2)(x - 2)

Use FOIL (first outside inside last) to expand.

(x^2 - 4x + 4) + 6

Remove brackets and simplify

y = x^2 - 4x + 10