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OpenStudy (anonymous):
Round all answers to the nearest hundredh. Evaluate each expresion for the values given.. b^2-4ac;b=3.a=-1,c=-2
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OpenStudy (anonymous):
just substitute
OpenStudy (anonymous):
3^2-4(-1)(-2)
OpenStudy (anonymous):
which will give you 9-8 so 1 is the answer
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