the standard form of the equation of a parabola is y=x^2+4x+22. What is the vertex form of the equation?
We complete the square,
[tex]y=x^2+4x+11[/tex]
[tex]y = (x^2 + 4x + 4) + 11- 4[/tex]
[tex]y = (x+2)^2 + 7[/tex]
Answer: D