Question

The first steps in writing f(x) = 4x² + 48x + 10 in vertex form are shown.

f(x) = 4(x² + 12x) + 10

= 36

What is the function written in vertex form?

Answer 1

Hello,

y=4x²+48x+10
==>y=4(x²+12x)+10
==>y=4(x²+2*6x+36)+10-4*36
==>y=4(x+6)²-134