# math-algebra

posted by
**Anonymous**
.

9. What is the vertex of the parabola y = x^2 + 4x + 1?:

A. (2, -3)

B. (-2, 3)

C. (2, 3)

D. (-2, -3)

posted by
**Anonymous**
.

9. What is the vertex of the parabola y = x^2 + 4x + 1?:

A. (2, -3)

B. (-2, 3)

C. (2, 3)

D. (-2, -3)