SOLUTION: I got stuck on a problem that read -7q²+2q+9=0. we're starting to solve quadratic equations with two real solutions.I get stick after plugging in a,b,c into quadratic formula.
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Question 376672: I got stuck on a problem that read -7q²+2q+9=0. we're starting to solve quadratic equations with two real solutions.I get stick after plugging in a,b,c into quadratic formula. Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! -7q²+2q+9=0
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a=-7, b= 2
c=9
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b^2-4ac = 4-(-252)
=4+252
=256
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x1=-1
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x2=-16/-14
x2=8/7 OR 1.285