Mathematics Past Questions And Answers
Find the equation of the line through the points (5, 7) parallel to the line 7x + 5y = 12.
- A. 5x + 7y = 120
- B. 7x + 5y = 70
- C. x + y = 7
- D. 15x + 17y = 90
If the 7th term of an AP is twice the third term and the sum of the first four terms is 42, find the common difference.
- A. 6
- B. 3
- C. 2
- D. 1
Find the acute angle between the lines 2x + y = 4 and -3x + y + 7 = 0.
- A. 40°
- B. 44°
- C. 45°
- D. 54°
In the venn diagram, the shaded region is
- A. (P ∩ Q) ∪ R
- B. (P ∩ Q) ∩ R
- C. (P ∩ Q') ∩ R
- D. (P ∩ Q') ∪ R
If \(P = {x : -2 < x < 5}\) and \(Q = {x : -5 < x < 2}\) are subsets of \(\mu = {x : -5 \leq x \leq 5}\), where x is a real number, find \((P \cup Q)\).
- A. \({x : -5< x< 5}\)
- B. \({x : -5 \leq x \leq 5}\)
- C. \({x : -5 \leq x< 5}\)
- D. \({x : -5< x \leq 5}\)
In how many ways can the letters of the word MEMBER be arranged?
- A. 720
- B. 360
- C. 180
- D. 90
Express \(\frac{8 - 3\sqrt{6}}{2\sqrt{3} + 3\sqrt{2}}\) in the form \(p\sqrt{3} + q\sqrt{2}\).
- A. \(7\sqrt{3} - \frac{17\sqrt{2}}{3}\)
- B. \(7\sqrt{2} - \frac{17\sqrt{3}}{3}\)
- C. \(-7\sqrt{2} + \frac{17\sqrt{3}}{3}\)
- D. \(-7\sqrt{3} - \frac{17\sqrt{2}}{3}\)
Factorize completely: \(x^{2} + x^{2}y + 3x - 10y + 3xy - 10\).
- A. (x + 2)(x + 5)(y + 1)
- B. (x + 2)(x - 5)(y + 1)
- C. (x - 2)(x + 5)(y + 1)
- D. (x - 2)(x - 5)(y + 1)
Find ∫(x2 + 3x − 5)dx
- A. \(\frac{x_3}{3}\) - \(\frac{3x_2}{2}\) - 5x + k
- B. \(\frac{x_3}{3}\) - \(\frac{3x_2}{2}\) + 5x + k
- C. \(\frac{x_3}{3}\) + \(\frac{3x_2}{2}\) - 5x + k
- D. \(\frac{x_3}{3}\) + \(\frac{3x_2}{2}\) + 5x + k
(a) Given that m = i - i, n = 2i + 3j and 2m + n - r = 0, find |r|
(b) The distance, S metres of a moving particle at any time tseconds is given by
S = 3t - \(\frac{t^3}{3}\) + 9
Find the;
(i) time
(ii) distance travelled
When the particle is momentarily at rest
View Discussion (0)WAEC 2019 THEORY