Waec Further Mathematics Past Questions For Year 2022
Question 1
Simplify \(\frac{9*3^{n+1} - 3^{n+2}}{3^{n+1} - 3^{n}}\)
- A. 3
- B. 9
- C. 27
- D. 81
Question 2
If \(log_{10}(3x+1) + log_{10}4 = log_{10}(9x+2)\), find the value of x
- A. \(\frac{1}{3}\)
- B. 1
- C. 2
- D. 3
Question 3
(\(\frac{3√6}{√5} + \frac{√54}{3√5}\))\(^{-1}\)
- A. \(\frac{5â3}{6}\)
- B. \(\frac{3â15}{6}\)
- C. \(\frac{5â6}{12}\)
- D. \(\frac{5â3}{12}\)
Question 4
A binary operation ∆ is defined on the set of real numbers R, by x∆y = \(\sqrt{x+y - \frac{xy}{4}}\), where x, yER. Find the value of 4∆3
- A. 16
- B. 8
- C. 4
- D. 2
Question 5
Which of the following is the semi-interquartile range of a distribution?
- A. Mode - Median
- B. Highest score - Lowest score
- C. 1/2 (Upper Quartile - Median)
- D. 1/2 (Upper Quartile - Lower Quartile)