a(x^2 - 2xh + h^2) + k = 2x^2 + 6x + 11
ax^2 - 2axh + ah^2 + k = 2x^2 + 6x + 11.
a = 2.
2x^2 - 4xh + 2h^2 + k = 2x^2 + 6x + 11
h = 3/2
I already got the answer but I'm going to keep going for k.
9/2 + k = 11. k = 6.5.
k = 13/2
the form should be 2(x + 3/2)^2 + 13/2
edit: btw I already helped like 5 people about this topic.