SOLUTION: f(x)=x^2+4x+1. What is h, the x-coordinate of the vertex of the parabola. I need to show my work. Thanks.

SOLUTION: f(x)=x^2+4x+1. What is h, the x-coordinate of the vertex of the parabola. I need to show my work. Thanks.

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Question 206969: f(x)=x^2+4x+1. What is h, the x-coordinate of the vertex of the parabola. I need to show my work. Thanks.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
f(x)=x^2+4x+1
(graph 300x200 pixels, x from -6 to 5, y from -10 to 10, x^2 +4x +1).
X vertex =(-2)
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