Factorization of polynomials - Jamb Mathematics Past Questions and Answers

Question 1:

• JAMB 1979

The solution of the equation x² - 2x = 8 is

A. X = 0 or 2
B. X = -2 or 4
C. X = 2
D. X = -4
E. X = 2 or 4

Question 2:

• JAMB 2019

Find the polynomial if given q(x) = x\(^2\) - x - 5, d(x) = 3x - 1 and r(x) = 7.

A. 3x\(^3\) - 4x\(^2\) - 14x + 12
B. 3x\(^2\) + 3x - 7
C. 3x\(^3\) + 4x\(^2\) + 14x - 12
D. 3x\(^2\) - 3x + 4

Question 3:

• JAMB 2017

Factorize completely x2 + 12xy + y2 + 3x + 3y - 18

A. (x + y + 6)(x + y -3)
B. (x - y - 6)(x - y + 3)
C. (x - y + 6)(x - y - 3)
D. (x + y - 6)(x + y + 3)

Question 4:

• JAMB 2016

Factorize k² - 2kp + p².

A. (k +p)²
B. (k - p)²
C. K² + p²
D. K² - p²

Question 5:

• JAMB 2015

Factorize x² + 9x + 20

A. (x − 5) ²
B. (x + 5)(x + 4)
C. (x — 5)(x + 3)
D. (x + 3) ²