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OpenStudy (anonymous):
what is the discriminant? -18x^2+5x-11=0
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OpenStudy (saifoo.khan):
For that we use, b^2 - 4ac \[(5)^2 - 4(-18)(11)\]
OpenStudy (anonymous):
ok. i did that to find the nature of solutions!
OpenStudy (saifoo.khan):
Yes! Right.. that's what is called "discriminant".
OpenStudy (anonymous):
missed putting the discriminant part in my notes! LOL
OpenStudy (saifoo.khan):
lol.
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