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Mathematics 18 Online
OpenStudy (anonymous):

how many x-intercepts does the graph have? help??

OpenStudy (anonymous):

OpenStudy (anonymous):

How can I solve this?

OpenStudy (anonymous):

It is already saying that the vertex is below the x axis, and that a<0. What happens when a<0 in a parabola?

OpenStudy (anonymous):

it opens down?

OpenStudy (anonymous):

?

OpenStudy (anonymous):

Yes, so the vertex is already below the axis, and it only goes down, so does it have any intersections with the x axis?

OpenStudy (anonymous):

no so there's 0 that makes sense

OpenStudy (anonymous):

Yesm thats it

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