Waec Further Mathematics Past Questions For Year 2022
Question 41
A particle is acted upon by forces F = (10N, 060º), P = (15N, 120º) and Q = (12N, 200º). Express the force that will keep the particle in equilibrium in the form xi + yj, where x and y are scalars.
- A. 17.55i + 13.78j
- B. 17.55j - 13.78i
- C. -17.55i + 13.78j
- D. -17.55i - 13.78j
Question 42
If α and β are roots of x\(^2\) + mx - n = 0, where m and n are constants, form the| equation | whose | roots | are | 1 α | and | 1 β | . |
- A. mnx\(^2\)Â - n\(^2\)Â x - m = 0
- B. mx\(^2\)Â - nx + 1 = 0
- C. nx\(^2\)Â - mx + 1 = 0
- D. nx\(^2\)Â - mx - 1 = 0
Question 43
A particle of mass 3kg moving along a straight line under the action of a F N, covers a line distance, d, at time, t, such that d = t\(^2\) + 3t. Find the magnitude of F at time t.
- A. 0N
- B. 2N
- C. 3(2t + 3)N
- D. 6N
Question 44
The length of the line joining points (x,4) and (-x,3) is 7 units. Find the value of x.
- A. 4√3
- B. 2√6
- C. 3√2
- D. 2√3
