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OpenStudy (anonymous):
x^2+3x^2-4x-12>0: One cut point is a. 4 b. -6 c. -3 d. 3
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OpenStudy (icalibear):
when in doubt choose c!
OpenStudy (anonymous):
not sure what cut point is ... give me asecond
OpenStudy (anonymous):
first group like terms
OpenStudy (anonymous):
\[4x^2-4x-12>0\]
OpenStudy (anonymous):
you can divide both sides by 3
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OpenStudy (anonymous):
4* i mean
OpenStudy (anonymous):
\[x^2-x-3>0\]
OpenStudy (anonymous):
a=1, b=-1,c=-3 use quadratic formula
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