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WAEC Mathematics 2024 Question 47

Question 47

Coordinate Geometry

Which of the following points lies on the line 3x − 8y = 11?

  1. A.(1, 1)
  2. B.(1, −1)
  3. C.(−1, 1)
  4. D.(−1, −1)
Show the answer and explanation

Answer: B ((1, −1))

Explanation

For (1, −1): 3(1) − 8(−1) = 3 + 8 = 11, so it lies on the line.