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Grade 10 · Equations & Inequalities
Linear Inequalities & Interval Notation (Grade 10)
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  / 18

Answer all questions. Show all your working — marks are awarded for method as well as the final answer.

  1. 1
    Solve: 2x + 3 < 11
    (2)
  2. 2
    Solve: 5x − 4 ≥ 16
    (2)
  3. 3
    Solve: −2x > 10
    (2)
  4. 4
    Solve: −3x + 1 ≤ 7
    (2)
  5. 5
    Write x > 5 in interval notation.
    (2)
  6. 6
    Write −2 ≤ x ≤ 7 in interval notation.
    (2)
  7. 7
    Write (−∞ ; 3] as an inequality.
    (2)
  8. 8
    Solve: −4 < 2x − 2 ≤ 6
    (2)
  9. 9
    On a number line, what does an OPEN circle mean?
    (2)
    −10123456x > 2−10123456x ≥ 2
TOTAL: 18 marks
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