Question

Complete the square to re-write the Quadratic function in vertex form

Answer 1

Explanation:

y = (x^2+4x) -2 take 1/2 of the x coefficient (4) square it and add it and subtract it

y = ( x^2 + 4x +4 ) -4 -3 reduce everything

y = ( x+2)^2 - 7 Done.