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WAEC Mathematics 2006 Question 5

Question 5

Algebraic Expressions

Given that y = 1 − 2x/(4x − 3), find the value of x for which y is undefined.

  1. A.3
  2. B.3/4
  3. C.−3/4
  4. D.−3
Show the answer and explanation

Answer: B (3/4)

Explanation

y is undefined when the denominator is zero: 4x − 3 = 0, so x = 3/4.