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Mathematics 18 Online
OpenStudy (anonymous):

Determine where f(x) intersects the x-axis. f(x)=-8x^2-8x+96

OpenStudy (anonymous):

That's wrong.

OpenStudy (anonymous):

You're right

OpenStudy (anonymous):

Graph it

OpenStudy (anonymous):

Oh wait

OpenStudy (anonymous):

It was just signs, I think..

OpenStudy (anonymous):

-8(x^2 +x -12) -8(x+4)(x-3)

OpenStudy (anonymous):

So -4 and 3 then.

OpenStudy (anonymous):

I think I overlooked the negative 8

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