SOLUTION: 4x^2>13x-3

Question 165784: 4x^2>13x-3
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
4x^2>13x-3
4x^2-13x>-3
x(4x-13)>0
x>0
4x-13>0
4x>13
x>13/4
let x=.1
let x=14/4=7/2
4*.1^2>13*.1-3
4*.01>13*.1-3
.04>1.3-3
.04>-1.7
and:
4*7/2^2>13*7/2-3
4*49/4>91/2-3
196/4>(91-3*2)/2
98/2>(91-6)/2
49>85/2
49>42.5

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