5.2.1 Solving Quadratic Inequalities - Practice
1. Determine the quadratic inequality that produces the graph below.
2. Graph the quadratic inequality. y ≥ x 2 − 5 x − 2
4. Solve the inequality. x 2 + 3 ≤ 4 x
3. Use a table or graph to solve the inequality. x 2 − 6 x − 4 > 3
6. The profit function p ( x ) of a tour operator is modeled by p ( x ) = − 2 x 2 + 700 x − 10000, where x is the average number of tours he arranges per day. What is the range of the average number of tours he must arrange per day to earn a monthly profit of at least $50,000?
5. Solve the inequality. − 2 x 2 + 3 x + 4 ≥ − 1
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