WAEC Mathematics questions: Inequalities

17 questions with answers and explanations. Tap an option to check yourself.

1. Question 1· Inequalities· WAEC

   How many integers x satisfy −2 ≤ x + 1 < 4?

   • A6
   • B5
   • C7
   • D4

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   Explanation and discussion

2. Question 2· Inequalities· WAEC

   For what values of x is −2 ≤ 3x + 4 < 10?

   • A2 ≤ x < 6
   • B−6 ≤ x < 6
   • C−2 ≤ x < 2
   • D−2 < x ≤ 2

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   Explanation and discussion

3. Question 3· Inequalities· WAEC

   Solve 4x + 3 > 15.

   • Ax < 4.5
   • Bx < 3
   • Cx > 4.5
   • Dx > 3

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   Explanation and discussion

4. Question 4· Inequalities· WAEC

   Solve x/4 − 1 ≤ 2.

   • Ax ≥ 12
   • Bx ≤ 4
   • Cx ≤ 6
   • Dx ≤ 12

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   Explanation and discussion

5. Question 5· Inequalities· WAEC

   Solve −2x + 3 ≥ 9.

   • Ax ≥ −3
   • Bx ≤ −3
   • Cx ≤ 3
   • Dx ≥ 3

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   Explanation and discussion

6. Question 6· Inequalities· WAEC

   Solve −3x + 2 ≥ 11.

   • Ax ≤ 3
   • Bx ≥ −3
   • Cx ≤ −3
   • Dx ≥ 3

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   Explanation and discussion

7. Question 7· Inequalities· WAEC

   Solve 2(x − 3) > x + 1.

   • Ax < 7
   • Bx > 5
   • Cx > 7
   • Dx > −7

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   Explanation and discussion

8. Question 8· Inequalities· WAEC

   Find the smallest integer x that satisfies 3x + 4 > 19.

   • A4
   • B5
   • C7
   • D6

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   Explanation and discussion

9. Question 9· Inequalities· WAEC

   Solve 3x − 5 < 7.

   • Ax < 4
   • Bx > 4
   • Cx < 2/3
   • Dx > 2

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   Explanation and discussion

10. Question 10· Inequalities· WAEC

    Find the largest integer x that satisfies 7x − 4 < 31.

    • A6
    • B5
    • C3
    • D4

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    Explanation and discussion

11. Question 11· Inequalities· WAEC

    Find the range of x for which 1 < 2x − 3 < 7.

    • A1 < x < 5
    • B2 < x < 5
    • C2 < x < 7
    • D4 < x < 10

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    Explanation and discussion

12. Question 12· Inequalities· WAEC

    On a number line, a shaded circle at 2 with an arrow pointing to the right represents

    • Ax ≥ 2
    • Bx > 2
    • Cx ≤ 2
    • Dx < 2

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    Explanation and discussion

13. Question 13· Inequalities· WAEC

    Solve the inequality 2x − 3 > 7.

    • Ax > 5
    • Bx < 5
    • Cx > 2
    • Dx > 10

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    Explanation and discussion

14. Question 14· Inequalities· WAEC

    Find the range of values of x for which 3 − 2x ≤ 9.

    • Ax ≥ 3
    • Bx ≤ −3
    • Cx ≥ −3
    • Dx ≤ 3

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    Explanation and discussion

15. Question 15· Inequalities· WAEC

    Solve 3 < 2x + 1 ≤ 9.

    • A1 ≤ x < 4
    • B2 < x ≤ 5
    • C1 < x ≤ 4
    • D1 < x < 4

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16. Question 16· Inequalities· WAEC

    Solve the inequality 5 − 3x < 14.

    • Ax < −3
    • Bx > −3
    • Cx > 3
    • Dx < 3

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17. Question 17· Inequalities· WAEC

    Solve (2x + 1)/3 ≥ 5.

    • Ax ≤ 7
    • Bx ≥ 8
    • Cx ≥ 7
    • Dx ≥ 2

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    Explanation and discussion