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Mathematics 10 Online
OpenStudy (anonymous):

What is the possible discriminant of the graph? a parabola opening up with vertex near negative half comma 1 point 5 –13 0 16 21

OpenStudy (anonymous):

Idk how to get the discriminant from this without giving a formula. |dw:1375232020854:dw|

OpenStudy (anonymous):

Okay, how many roots and what kind of roots would they be?

OpenStudy (anonymous):

the discriminant tells how many and what kind. \[d <0 =>\{no real roots}\]

OpenStudy (anonymous):

Oh I see what you did there.

OpenStudy (anonymous):

does the graph cross the \(x\) axis twice?

OpenStudy (anonymous):

-13

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