Select the correct vertex form of the following equation.

Question

y=x2+6x−9
�
=
�
2
+
6
�
−
9
(1 point)
Responses

y=(x+3)2+32
�
=
(
�
+
3
)
2
+
32
y is equal to open paren x plus 3 close paren squared plus 32

y=(x−3)2−18
�
=
(
�
−
3
)
2
−
18
y is equal to open paren x minus 3 close paren squared minus 18

y=(x+3)2−18
�
=
(
�
+
3
)
2
−
18
y is equal to open paren x plus 3 close paren squared minus 18

y=(x−3)2−4

Answer 1

y=(x−3)2−4

This is the correct vertex form of the equation y=x2+6x−9.