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OpenStudy (mathhelp):
A quadratic equation has a discriminant of 12. Which could be the equation? 0 = –x2 + 8x + 2 0 = 2x2 + 6x + 3 0 = –x2 + 4x + 1 0 = 4x2 + 2x + 1
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OpenStudy (leenathan):
welcome to openstudy
OpenStudy (mathhelp):
thanks man
OpenStudy (phi):
the discriminant is the part inside the square root in your avatar icon b^2 - 4 a c
OpenStudy (mathhelp):
ohhh so its C
OpenStudy (mathhelp):
Right?
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OpenStudy (mathhelp):
@phi
OpenStudy (phi):
I did not work it out. Do you know which numbers are a , b and c are ?
OpenStudy (mathhelp):
yes
OpenStudy (mathhelp):
i need help
OpenStudy (phi):
in choice C -x^2 + 4x + 1 what is a, b and c ?
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