SOLUTION: Thank you for your help solving. Give the equation of the axis of symmetry and the coordinates of the vertex of the graph of y=x^2 + 4x +3. Sketch the graph.

Algebra ->  Graphs -> SOLUTION: Thank you for your help solving. Give the equation of the axis of symmetry and the coordinates of the vertex of the graph of y=x^2 + 4x +3. Sketch the graph.       Log On


   

Question 889145: Thank you for your help solving.
Give the equation of the axis of symmetry and the coordinates of the vertex of the graph of y=x^2 + 4x +3. Sketch the graph.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Complete the square to get to vertex form,
y=x%5E2%2B4x%2B3
y=%28x%5E2%2B4x%2B4%29%2B3-4
y=%28x%2B2%29%5E2-1
Vertex : (-2,-1)
Axis of symmetry : x=-2
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