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Original Question
Find the vertex of the parabola. y = -4x2 - 16x - 11Asked by tammy
Find the vertex of the parabola.
y = -2x2 + 12x - 13
y = -2x2 + 12x - 13
Answers
Answered by
Shaniqua
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).
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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