Mathematics Past Questions And Answers
Find the value of m which makes x2 + 8 + m a perfect square
- A. 2
- B. 4
- C. 8
- D. 16
Given that (x + 2)(x2 - 3x + 2) + 2(x + 2)(x - 1) = (x + 2) M, find M
- A. (x + 2)2
- B. x(x + 2)
- C. (x - 2)2
- D. x2 - x
Given that (\(_r^n\)) = \(^nC_r\), simplify (\(^{2x + 1}_{3}\)) - (\(^{2x - 1}_3\)) - 2(\(^x_2\))
View Discussion (0)WAEC 2019 THEORYIf y varies directly as \(\sqrt{n}\) and y = 4 when n = 4, find y when n = 1\(\frac{7}{9}\)
- A. √17
- B. 4/3
- C. 8/3
- D. 2/3
A cliff on the bank of a river is 300 meter high. if the angle of depression of a point on the opposite side of the river is 60º, find the width of the river?
- A. 100m
- B. 75√3 m
- C. 100√3m
- D. 200√3m
Find the equation of a line parallel to y = -4x + 2 passing through (2,3)
- A. y + 4x + 11 = 0
- B. y - 4x - 11 = 0
- C. y + 4x - 11 = 0
- D. y - 4x + 11 = 0
Solve for x in the equation x3 - 5x2 - x + 5 = 0
- A. 1, - 1, or 5
- B. 1, 1, or -5
- C. -1, 1, or -5
- D. 1, 1, or 5
A linear transformation on the oxy plane is defined by \(P : (x, y) → (2x + y, -2y)\). Find \(P^2\)
- A. \(\begin{bmatrix} 4&0\\1&4\end{bmatrix}\)
- B. \(\begin{bmatrix} 4&4\\0&0\end{bmatrix}\)
- C. \(\begin{bmatrix} 4&0\\0&4\end{bmatrix}\)
- D. \(\begin{bmatrix} 4&1\\0&4\end{bmatrix}\)
The sum of the interior angle of pentagon is 6x + 6y. Find y in terms of x.
- A. y = 6 - x
- B. y = 90 - x
- C. y = 120 - x
- D. y = 150 - x
Determine the locus of a point inside a square PQRS which is eqidistant from PQ and QR
- A. The diagonal QS
- B. the perpendicular bisector of PQ
- C. The diagonal PR
- D. side SR