AM-1215

Quadratic inequalities

A Math · Secondary 4 · Medium · Quadratic inequalities

1. $x \le \dfrac{7-\sqrt{73}}{6}$ or $x \ge \dfrac{7+\sqrt{73}}{6}$
2. $-\dfrac13 \le x \le 2$
3. $x \le -\dfrac13$ only
4. $x \ge 2$ only

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