Waec Further Mathematics Past Questions For Year 2021
Question 1
For what range of values of x is x\(^2\) - 2x - 3 ≤ 0
- A. {x: -1 ≤ x ≤ 3}
- B. { x: -3 ≤ x ≤ 1}
- C. { x: -3 ≤ x ≤ -1}
- D. { x: 1 ≤ x ≤ 3}
Question 2
Simplify ( \(\frac{1}{2 - √3}\) + \(\frac{2}{2 + √3}\) )\(^{-1}\)
- A. \(\frac{-1}{33}\)(6 + √3)
- B. \(\frac{-1}{33}\)(6 - √3)
- C. \(\frac{1}{33}\)(6 + √3)
- D. \(\frac{1}{33}\)(6 - √3)
Question 3
Using binomial expansion of ( 1 + x)\(^6\) = 1 + 6x + 15x\(^2\) + 20x\(^3\) + 6x\(^5\) + x)\(^6\), find, correct to three decimal places, the value of (1.998))\(^6\)
- A. 63.616
- B. 63.167
- C. 62.628
- D. 62.629
Question 4
g(x) = 2x + 3 and f(x) = 3x\(^2\) - 2x + 4
- A. 37
- B. 1
- C. -3
- D. -179
Question 5
Solve (\(\frac{1}{9}\))\(^{x + 2}\) = 243\(^{x - 2}\)
- A. \(\frac{7}{5}\)
- B. \(\frac{6}{7}\)
- C. \(\frac{-7}{6}\)
- D. \(\frac{-6}{7}\)
