Inequalities Quiz
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5 questions, one answer each
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1. Which inequality symbol should be used to represent 'x is less than or equal to 5'?
- A. x ≤ 5
- B. x < 5
- C. x ≥ 5
- D. x > 5
2. Solve the linear inequality 3x + 2 > 11.
- A. x > 3
- B. x < 3
- C. x > 4
- D. x ≥ 3
3. Which of the following correctly represents the solution to 2x - 5 ≤ 7 using set notation?
- A. {x : x ≤ 6}
- B. {x : x < 6}
- C. {x : x ≥ 6}
- D. {x : x > 6}
4. Solve the quadratic inequality x² - 5x + 6 > 0.
- A. x < 2 or x > 3
- B. 2 < x < 3
- C. x ≤ 2 or x ≥ 3
- D. x = 2 or x = 3
5. A region is defined by y ≤ 2x + 1 and y ≥ -x + 4. Which statement correctly describes this region?
- A. The region is below the line y = 2x + 1 and above the line y = -x + 4
- B. The region is above the line y = 2x + 1 and below the line y = -x + 4
- C. The region is above both lines
- D. The region is below both lines