ALGEBRA - Jamb Mathematics Past Questions and Answers

Question 41:

• JAMB 2017

Given m = N\(\sqrt{\frac{SL}{T}}\) make T the subject of the formula

A. \(\frac{\text{NSL}}{M}\)
B. \(\frac{N^2SL}{M^2}\)
C. \(\frac{N^2SL}{M}\)
D. \(\frac{NSL}{M^2}\)

Question 42:

• JAMB 2019

A binary operation Δ is defined by a Δ b = a + 3b + 2.
Find (3 Δ 2) Δ 5

A. 35
B. 59
C. 28
D. 87

Question 43:

• JAMB 2019

If \(\begin{vmatrix} 2 & -5 & 3 \\ x & 1 & 4 \\ 0 & 3 & 2 \end{vmatrix} = 132\) find the value of x.

A. 5
B. 8
C. 6
D. 3

Question 44:

• JAMB 2018

Find the values of x for which
\(\frac {x+2}{4}\) - \(\frac{2x - 3}{3}\) < 4

A. X < 8
B. X > -6
C. X < 4
D. X > -3

Question 45:

• JAMB 2018

If \(\frac{x}{a + 1}\) + \(\frac{y}{b}\) = 1. Make y the subject of the relation.

A. \(\frac{b(a + 1 - x)}{a + 1}\)
B. \(\frac{a + 1}{b(a - x + 1)}\)
C. \(\frac{a(b - x + 1)}{b + 1}\)
D. \(\frac{b}{a(b - x + 1)}\)