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WAEC Mathematics 2004 Question 14

Question 14

Indices

If (1/4)(2−y) = 1, find y.

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

Answer: D (2)

Explanation

Any non-zero number to the power 0 is 1, so 2 − y = 0 and y = 2.