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Mathematics 15 Online
OpenStudy (anonymous):

Determine the discriminant of 3x2 - 5x + 4 = 0

OpenStudy (dan815):

what is a discriminant

OpenStudy (anonymous):

i dont know thats my dillema

OpenStudy (uri):

LOl same question,what is discriminant?

OpenStudy (uri):

Looks Quadratic eq to me.

OpenStudy (anonymous):

thats what i thought but i didnt come up with any of my awnser choices

OpenStudy (uri):

Did you do this question using http://blogs.discovermagazine.com/loom/files/2008/07/quadratic.jpg?

OpenStudy (anonymous):

That picture actually made math Attractive xD

OpenStudy (uri):

Lol,Haha! So what are the options?

OpenStudy (anonymous):

A. 20 B. 23 C. -23 D. -19

OpenStudy (uri):

Uh-huh.

OpenStudy (anonymous):

lol see

OpenStudy (uri):

Ok so i think discriminant is \[\sqrt{b^2 -4ac}\] So 5^2 - 4(3)(4) 25 -48 =-23

OpenStudy (uri):

Option C!

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