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Mathematics 18 Online
OpenStudy (anonymous):

Find the x-intercepts for the parabola defined by the equation below. y = 2x2 + 2x - 4

OpenStudy (anonymous):

think I can help youI

OpenStudy (anonymous):

And so 2x-2 =0, so in that case x= 1. in the second case x+2 =0 , so x=-2. So you know that the parabola intercepts the x axis when x=1, or x=-2, so at (1,0) and (-2,0)

OpenStudy (anonymous):

I kind of done this Last week I think

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