Find the axis of symmetry for this parabola. y = 3x2 - 6x - 9 x = -3 x = 1 x = 3 x = 4

asked Dec 28, 2018 133k views

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Find the axis of symmetry for this parabola.

y = 3x2 - 6x - 9

x = -3

x = 1

x = 3

x = 4

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2 votes

Find the axis of symmetry for this parabola.

y = 3x2 - 6x - 9

x = -3
☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆x = 1
x = 3
x=4

-b/2a=-(-6)/2(3)
=6/6=1

Sean Kilb answered Jan 3, 2019

7.7k points

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