SOLUTION: Sketch the parabola y = -x^2 + 10x - 16 by finding only the x and y intercepts, the line of symmetry and the vertex.

SOLUTION: Sketch the parabola y = -x^2 + 10x - 16 by finding only the x and y intercepts, the line of symmetry and the vertex.

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Question 892254: Sketch the parabola y = -x^2 + 10x - 16 by finding only the x and y intercepts, the line of symmetry and the vertex.
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
The easy way for this one is factoring.

Zeros are at 2 and 8.
Line of symmetry is in the exact middle of those, at x=5.
The vertex is a maximum, at for the point (5,9).

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