ALGEBRA - Jamb Mathematics Past Questions and Answers

Question 106:

• JAMB 1978

If x⁴ - kx³ + 10x² + 1x - 3 is divisible by (x - 1), and if when it is divided by (x + 2) the remainder is 27, find the constants k and 1

A. K = -7, 1 = -15
B. K = -15, 1 = -7
C. K = \(\frac{15}{3}\) , 1 = -7
D. K = \(\frac{7}{3}\) , 1 = -17

Question 107:

• JAMB 1978

Add the same number to the numerator and denominator of \(\frac{3}{18}\). If the resulting fraction is \(\frac{1}{2}\), then the number added is

A. 13
B. 14
C. 15
D. 12
E. 11

Question 108:

• JAMB 1979

x is directly proportional to y and inversely proportional to z. If x = 9 when y = 24 and z = 8, what is the value of x when y = 5 and z = 6?

A. \(\frac{5}{6}\)
B. 11
C. 3\(\frac{3}{5}\)
D. 2\(\frac{1}{2}\)
E. 1\(\frac{1}{5}\)

Question 109:

• 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 110:

• JAMB 1979

Multiply (3x + 5y + 4z) by (2x - 3y + z)

A. 6x² + xy - 15y² + 4z² + 11xz - 7yz
B. 6x² + 3xy - 15y² + 4z²
C. 6x² + 3xy - y² + 4z²
D. 6x² + 3xy - 15y + z²