Mathematics Past Questions And Answers
Find the minimum value of \(y = 3x^{2} - x - 6\).
- A. \(-6\frac{1}{6}\)
- B. \(-6\frac{1}{12}\)
- C. \(-6\)
- D. \(0\)
If w varies inversely as \(\frac{uv}{u + v}\) and is equal to 8 when
u = 2 and v = 6, find a relationship between u, v, w.
- A. uvw = 16(u + v)
- B. 16ur = 3w(u + v)
- C. uvw = 12(u + v)
- D. 12uvw = u + v
Given that \(y^2 + xy = 5,find \frac{dy}{dx}\).
- A. \(\frac{y}{2y + x}\)
- B. \(\frac{-y}{2y + x}\)
- C. \(\frac{-y}{2y - x}\)
- D. \(\frac{y}{2y + x}\)
Solve \(2^{(2y + 2)} - 9(2^{y}) = -2\).
View Discussion (0)WAEC 2011 THEORYFind the value of x if \( [ 1 ÷ 64^{(x + 2)}]= [4^{(x − 3)} ÷ 16^x ] \)
- A. \( \frac{3}{2} \)
- B. \( \frac{2}{3} \)
- C. \( \frac{1}{3} \)
- D. \( -\frac{3}{2} \)
If log 5(\(\frac{125x^3}{\sqrt[ 3 ] {y}}\) is expressed in the values of p, q and k respectively.
- A. 3, \(\frac{-1}{3}\), 5
- B. \(\frac{-1}{3}\), 3, 5
- C. 3, \(\frac{-1}{3}\), 3
- D. 3, \(\frac{-1}{3}\), 3
Factorize x2 + 4x - 192
- A. (x-4) (x+48)
- B. (x-48) (x+4)
- C. (x-12) (x+16)
- D. (x-12) (x-16)
Find the number of days from 12th June noon to 12th September noon.
- (a) 90days
- (b) 92days
- (c) 61days
- (d) 62days
Two dice are tossed. What is the probability that the total score is a prime number.
- A. \(\frac{5}{12}\)
- B. \(\frac{5}{9}\)
- C. \(\frac{1}{6}\)
- D. \(\frac{1}{3}\)
John pours 96 litres of red oil into a rectangular container with length 220cm and breadth 40cm. Calculate, correct to the nearest cm, the height of the oil in the container
- A. 11cm
- B. 18cm
- C. 21cm
- D. 34cm