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15-05-2017
Mathematics

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What are the x-intercepts of the parabola x2 + 4x −12?

A: (-6,0) (2,0)
B: (0,-6) (0,2)
C: (0,6) (0,-2)
D: (6,0) (-2,0)

Respuesta :

laughoutloudhaha laughoutloudhaha

15-05-2017

when you factor the parabola you get
(x+6)(x-2)
set each of these equal to zero
x+6=0 x-2=0
solve for x
x=-6 x=2
these are your x-intercepts
(-6,0) and (2,0)

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