Question

Which point is the vertex of the parabola y = x2+4x+1?
A. (-2, -3)
B. (2, 3)
C. (-2, 3)
D. (2, -3) Which point is the vertex of the parabola y = x2+4x+1?
A. (-2, -3)
B. (2, 3)
C. (-2, 3)
D. (2, -3) @Mathematics

Answer 1

\[\large vertex = (\frac{-b}{2a}, f(\frac{-b}{2a}))\]So the vertex would be \[\large vertex = (-2,-3)\]