Find the coordinates of the vertex of the following parabola algebraically. Write your answer as an (x,y) point.
y = x^2 + 2x + 8.
y = x^2 + 2x + 8
y = (x+1)^2 + 7
So our vertex is -1, 7 (-1 + 1 = 0, and 7 = 7)
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