Wednesday
June 19, 2013

# Homework Help: math

Posted by shay on Friday, July 27, 2012 at 12:21pm.

Round all answers to the nearest hundredth square root of b^2-4ac;b=3,a=-1,c=-2?

• math - Reiny, Friday, July 27, 2012 at 2:34pm

Just like your other post, substitute the given values and evaluate

b^2 - 4ac
= 3^2 - 4(-1)(-2)
= 9 - 8 = 1

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