WAEC Mathematics 2016 Objective — Question 1
Question 1 of 50 from the West African Examinations Council (WAEC) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
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1. If 23x + 101x = 130x, find the value of x. A. 7 B. 6 C. 5 D. 4
- A. 7
- B. 6
- C. 5
- D. 4Correct
Explanation
Converting to base 10: 2x²+3+1x²+3x+1=1x²+3x → simplifying gives 4=3x-2x → x=4.
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