what is the vertex of y=-x+8x+14

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what is the vertex of y=-x+8x+14

Guest Dec 23, 2014

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Best Answer

+128408

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I assume this is.....

y= -x^2+8x+14

The x coordinate of the vertex is given by -b/2a = -8/2(-1) = 4

And the y coordinate is given by

y = -(4)^2 + 8(4) + 14 = -16 + 32 + 14 = 30

So the vertex is (4, 30)

CPhill Dec 23, 2014

1⁺⁰ Answers

+128408

+5

Best Answer

I assume this is.....

y= -x^2+8x+14

The x coordinate of the vertex is given by -b/2a = -8/2(-1) = 4

And the y coordinate is given by

y = -(4)^2 + 8(4) + 14 = -16 + 32 + 14 = 30

So the vertex is (4, 30)

CPhill Dec 23, 2014

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