Factor and remainder theorems - Jamb Mathematics Past Questions and Answers

Question 11:

• JAMB 1986

If y = \(\frac{x}{x - 3}\) + \(\frac{x}{x + 4}\) find y when x = -2

A. -\(\frac{3}{5}\)
B. \(\frac{3}{5}\)
C. -\(\frac{7}{5}\)
D. \(\frac{2}{5}\)

Question 12:

• JAMB 1990

If f(x - 4) = x² + 2x + 3, Find, f(2)

A. 6
B. 11
C. 27
D. 51

Question 13:

• JAMB 1990

If x + \(\frac{1}{x}\) = 4, find x² + \(\frac{1}{x^2}\)

A. 16
B. 14
C. 12
D. 9

Question 14:

• JAMB 1992

If x + 1 is a factor of x³ + 3x² + kx + 4, find the value of k

A. 6
B. -6
C. 8
D. -8

Question 15:

• JAMB 1993

Which of the following is a factor of 15 + 7x - 2x²

A. X + 3
B. X - 3
C. X - 5
D. X + 5