Question

Write the quadratic function in vertex form.

y = x^2 + 4x + 7

Answer 1

Solve for x . You will get two values for x. Plug the values of x one by one . Get the two values of y. And write it in the form of (x1,y1) and (x2,y2)

Answer 2

complete the square in x so you are looking at

\[y = (x^2 + 4x) + 7\]

what do you need to complete the square

for

\[x^2 + 4x + ?\]