Question

What is the vertex form of y=7x^2+14x+4

Answer 1

= 7(x^2 + 2x) + 4

= 7[(x + 1)^2 - 1)] + 4

= 7(x + 1)^2 - 3 (answer)

Answer 2

the vertex form is y=7(x+1)²-3 which is vertex form