ALGEBRA - Jamb Mathematics Past Questions and Answers

Question 401:

• JAMB 2001

Solve the equations
m² + n² = 29
m + n = 7

A. (2, 3) and ( 3, 5)
B. (2, 5) and (5, 2)
C. (5, 2) and ( 5, 3)
D. (5, 3) and (3, 5)

Question 402:

• JAMB 2001

An operation * is defined on the set of real numbers by a*b = a + b + 1. If the identity elements is -1, find the inverse of the element 2 under *.

A. 4
B. Zero
C. -2
D. -4

Question 403:

• JAMB 2001

The sixth term of an A.P is half of its twelfth term. The first term of the A.P is equal to

A. Zero
B. Half of the common difference
C. Double the common difference
D. The common difference

Question 404:

• JAMB 2001

Factorize 4x² - 9y² + 20x + 25

A. (2x -3y + 5)(2x - 3y - 5)
B. (2x - 3y)(2x + 3y)
C. (2x - 3y +5)(2x + 3y + 5)
D. (2x + 5)(2x - 9y +5)

Question 405:

• JAMB 2001

Triangle SPT is the solution of the linear inequalities

A. 2y - x - 2 ≤ 0, y + 2x + 2 ≥ 0, -2 ≤ x ≤ - 1
B. -2 ≤ x ≤ 2, y ≥ 0, y + 2x + 2 ≤ 0, x ≤ 0
C. 2y - x - 2 ≤ 0, y + 2x + 2 ≤ 0, y ≥ 0, x ≤ 0
D. 2y - x - 2 ≥ 0, y + 2x + 2 ≤ 0, x ≤ 0