Solving Quadratic Inequalities by Substitution
Solving Quadratic Inequalities by Substitution
IP 3
Solve the following quadratic inequalities.
- \(25{{\left( 2-x \right)}^{2}}\le {{x}^{2}}\)
- \(4{{\left( 3-5x \right)}^{2}}\ge 36{{x}^{2}}\)
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Answer:(a) \(\frac53\le x\le\frac52\) (b) \(x\le\frac38\) or \(x\ge\frac32\)
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