Quadratic inequalities
Types of exercises: quadratic inequalities, quadratic inequalities - union of intervals, quadratic inequalities with no roots or one root.
Exercises are drawn at random from a large bank - every click gives a different set.
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Solve the inequality
x² + 8x − 9 > 0
Solve the inequality. Which answer is correct?
−2x² − 16x − 36 ≤ 0
Solve the inequality
3x² + 57x + 270 < 0
Solve the inequality
2x² − 18x + 36 > 0
Solve the inequality. Which answer is correct?
−x² + 8x − 16 ≥ 0
Solve the inequality
x² − x − 90 < 0
Solve the inequality
3x² + 6x − 24 ≥ 0
Solve the inequality. Which answer is correct?
−x² + 10x − 30 ≤ 0
Solve the inequality
3x² + 33x + 72 ≤ 0
Solve the inequality
2x² + 14x + 20 > 0
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