ALGEBRA - Jamb Mathematics Past Questions and Answers

Question 586:

• JAMB 2020

A binary operation x is defined by a x b = a\(^b\). If a x 2 = 2 - a, find the possible values of a?

A. 1, -2
B. 2, -1
C. 2, -2
D. 1, -1

Question 587:

• JAMB 2020

Three consecutive terms of a geometric progression are give as n - 2, n and n + 3. Find the common ratio

A. \(\frac{3}{2}\)
B. \(\frac{2}{3}\)
C. \(\frac{1}{2}\)
D. \(\frac{1}{4}\)

Question 588:

• JAMB 2020

Find the non-zero positive value of x which satisfies the equation

\(\begin{bmatrix} x & 1 & 0 \\ 1 & x & 1 \\ 0 & 1 & x \end{bmatrix}\) = 0

A. 2
B. \(\sqrt{3}\)
C. \(\sqrt{2}\)
D. 1

Question 589:

• JAMB 2021

List all integers satisfying the inequality in -2 < 2x-6 < 4

A. 2,3,4 and 5
B. 2,3
C. 2,5
D. 3,4

Question 590:

• JAMB 2021

If (x + 2) and (x - 1) are factors of the expression \(Lx + 2kx^{2} + 24\), find the values of L and k.

A. L = -12, k = -6
B. L = -2 , k = 1
C. L = -2 , k = -1
D. L = 0, k = 1