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WAEC Mathematics 2003 Question 5

Question 5

Inequalities

Interprete the inequality represented on the number line

Diagram for this question
  1. A.−4 < x ≤ 5
  2. B.−4 ≤ x < 5
  3. C.−4 < x < 5
  4. D.−4 ≤ x ≤ 5
Show the answer and explanation

Answer: A (−4 < x ≤ 5)

Explanation

The circle at −4 is open (−4 not included) and the dot at 5 is shaded (5 included): −4 < x ≤ 5.