Multiplication and division of polynomials - Jamb Mathematics Past Questions and Answers

Question 1:

• JAMB 1979

The mean of the numbers 1.2, 1.0, 0.9, 1.4, 0.8, 0.8, 1.2 and 1.1 is

A. 1.5
B. 0.8
C. 1.0
D. 1.02
E. 1.05

Question 2:

• JAMB 2017

What is the product of 2x² - x + 1 and 3 - 2x

A. 4x³ − 8x² + 5x + 3
B. −4x³ + 8x² − 5x + 3
C. −4x³ − 8x² + 5x + 3
D. 4x³ + 8x² − 5x + 3

Question 3:

• JAMB 2017

Divide 4x³ - 3x + 1 by 2x - 1

A. 2x² -x + 1
B. 2x² - x -1
C. 2x² + x + 1
D. 2x² + x -1

Question 4:

• JAMB 2017

Divide 4x3 - 3x + 1 by 2x - 1

A. 2x² -x + 1
B. 2x² - x -1
C. 2x² + x + 1
D. 2x² + x -1

Question 5:

• JAMB 1978

Multiply (x + 3y + 5) by (2x2 + 5y + 2)

A. 2x² + 3yx² + 10xy + 15y² + 13y + 10x² + 2x + 10
B. 2x³ + 6yx² + 5xy + 15y² + 31y + 5x² + 2x + 10
C. 2x³ + 6xy² + 5xy + 15y² + 12y + 10x² + 2x = 10
D. 2x² + 6xy² + 5xy + 15y² + 13y + 10x² + 2x + 10
E. 2x³ + 2yx² + 10xy + 10y² + 31y + 5x² + 10