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Inequalities and Quadratic Formula - 5 Math Problems

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1. Solve the inequality...State the interval(s) where the inequality is valid using the symbols <, >.
3. Solve problems with the quadratic formula.
3. 4x2 - 12x - 7 = 0
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Five problems involving inequalities and the quadratic formula are solved. The solution is detailed and well presented.

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1. Solve the inequality
There are two cases for this problem:
First, if x-2>0=>x>2, then,2x+5<0=>x<-5/2, then, in this case, no solution
Second, if x-2<0=>x<2, then,2x+5>0=>x>-5/2, then, in this case, the solution is -5/2<x<2

State the interval(s) where the inequality is valid using the symbols <, >.

2. Solve the inequality

State the interval(s) where the ...

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