Question 5226:

• JAMB 2023

Let a binary operation '*' be defined on a set A. The operation will be commutative if

A. A*b = b*a
B. (a*b)*c = a*(b*c)
C. (b ο c)*a = (b*a) ο (c*a)
D. None of the above

Question 5227:

• JAMB 2023

Solve the following quadratic inequality: \(x^2 - x\) - 4 ≤ 2

A. \(-3 < x < 2\)
B. \(-2 ≤ x ≤ 3\)
C. \(x ≤ -2, x ≤ 3\)
D. \(-2 < x < 3\)

Question 5228:

• JAMB 2023

What is the general term of the sequence 3, 8, 13, 18, ...?

A. 5n - 2
B. 5n + 2
C. 5
D. 5n

Question 5229:

• JAMB 2023

The locus of a point equidistant from two intersecting lines is

A. Where the sum of the distances of two focal points is fixed
B. The collection of points that are equally distant from a fixed point and a line
C. The perpendicular bisector of the lines
D. Pair of bisectors of the angles between the two lines

Question 5230:

• JAMB 2023

Two numbers are respectively 35% and 80% more than a third number. The ratio of the two numbers is

A. 7 : 16
B. 3 : 4
C. 16 : 7
D. 4 : 3