Question

Write the quadratic function in vertex form.

y = x^2 + 4x + 7

Answer 1

Complete the Square

y = (x^2 + 4x + ______) + 7 - _________

Answer 2

Start by completing the square.

Answer 3

i havent learnt this yet

Answer 4

\[ax^2+bx+c \] to complete the square: \[\left( \frac{ b }{ 2a } \right)^2\]

Answer 5

oh ok

Answer 6

and add it to 7

Answer 7

You should be able to factor to get it in the form: \[y = (x - h)^2 + k\] where (h, k) is the vertex.

Answer 8

x^2+4x+4+7-4

Answer 9

Yes. You can finish it from here.

Answer 10

what form?

Answer 11

The form I stated above...

Answer 12

https://www.mathsisfun.com/algebra/completing-square.html

D. y =(x + 2)^2 + 3