Mathematics 1988 Jamb Past Questions and Answers

Question 31 :

• JAMB 1988

Solve the following equation equation for \(x^2 + \frac{2x}{r^2} + \frac{1}{r^4}\) = 0

A. R²
B. \(\frac{1}{r^4}\)
C. -\(\frac{1}{r^2}\)
D. 1 - r

Question 32 :

• JAMB 1988

List the integral values of x which satisfy the inequality -1 < 5 - 2x \(\geq\) 7

A. -1, 0, 1, 2
B. 0, 1, 2, 3
C. -0, 1, 2, 3
D. -1, 0, 2, 3

Question 33 :

• JAMB 1988

Given that 3x - 5y - 3 = 0, 2y - 6x + 5 = 0 the value of (x, y) is

A. (\(\frac{-1}{8}, \frac{19}{24}\))
B. 8, \(\frac{24}{19}\)
C. -8, \(\frac{24}{19}\)
D. (\(\frac{19}{24}, \frac{-1}{8}\))

Question 34 :

• JAMB 1988

The solution of the quadratic equation px² + qx + b = 0 is

A. \(\sqrt{\frac{-b \pm b^2 - 4ac}{2a}}\)
B. \(\frac{-b \pm \sqrt{ p^2 - 4pb}}{2a}\)
C. \(\frac{-q \pm \sqrt{ q^2 - 4bp}}{2p}\)
D. \(\frac{-q \pm \sqrt{ p^2 - 4bp}}{2p}\)

Question 35 :

• JAMB 1988

Simplify \(\frac{1}{x^2 + 5x + 6}\) + \(\frac{1}{x^2 + 3x + 2}\)

A. \(\frac{x}{(x +2)(x - 3)}\)
B. \(\frac{2}{(x + 5)(x - 3)}\)
C. \(\frac{2}{(x + 1)(x + 3)}\)
D. \(\frac{2}{(x - 1)(x - 3)}\)