Polynomials - Jamb Mathematics Past Questions and Answers

Question 41:

• JAMB 2013

If S = \(\sqrt{t^2 - 4t + 4}\), find t in terms of S

A. S² - 2
B. S + 2
C. S - 2
D. S² + 2

Question 42:

• JAMB 2013

If x - 4 is a factor of x² - x - k, then k is

A. 4
B. 12
C. 20
D. 2

Question 43:

• JAMB 2013

The remainder when 6p³ - p² - 47p + 30 is divided by p - 3 is

A. 21
B. 42
C. 63
D. 18

Question 44:

• 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

Question 45:

• JAMB 1978

If x2 + 4 = 0, then x ?

A. 4
B. -4
C. 2
D. -2
E. None of the above