Posted by **tammy** on Sunday, April 7, 2013 at 9:15pm.

Find the vertex of the parabola.

y = -2x2 + 12x - 13

- math -
**Shaniqua**, Sunday, April 7, 2013 at 10:01pm
Use the equation vertex=-b/2a.

b would be 12

a would be -2

That gets you the x value of the vertex, which is 3. Plug in 3 for x now to get y.

y=-2(3)^2+12(3)-13

y=36+36-13

y=59.

Your vertex is (3,59).

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