SOLUTION: The graph of the quadratic y = ax^2 + bx + c is a parabola that passes through the points (-1,7),(5,7) , and (6,10) . What is the x-coordinate of the vertex of the parabola?

SOLUTION: The graph of the quadratic y = ax^2 + bx + c is a parabola that passes through the points (-1,7),(5,7) , and (6,10) . What is the x-coordinate of the vertex of the parabola?

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Question 1147502: The graph of the quadratic y = ax^2 + bx + c is a parabola that passes through the points (-1,7),(5,7) , and (6,10) . What is the x-coordinate of the vertex of the parabola?

Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

Since the two given points (-1,7) and (5,7) have the same y value, the axis of symmetry is halfway between x=-1 and x=5, at x=2.

So the x coordinate of the vertex is 2.
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