Jamb 1988 Mathematics Questions
Question 6:
if a = -3, b = 2, c = 4, evaluate \(\frac{a^3 - b^3 - c^{\frac{1}{2}}}{b - a - c}\)
- A 37
- B \(\frac{-37}{5}\)
- C \(\frac{37}{5}\)
- D -37
Question 7:
If (g(y)) = \(\frac{y - 3}{11}\) + \(\frac{11}{y^2 - 9}\). what is g(y + 3)?
- A \(\frac{y}{11} + \frac{11}{y(y + 6)}\)
- B \(\frac{y}{11} + \frac{11}{y(y + 3)}\)
- C \(\frac{y + 30}{11} + \frac{11}{y(y + 3)}\)
- D \(\frac{y + 3}{11} + \frac{11}{y(y - 6)}\)
Question 8:
Factorize completely \((x^2 + x)^2 - (2x + 2)^2\)
- A (x + 1)(x + 2)(x - 2)
- B (x + 1) 2(x + 2) (x - 2)
- C (x + 1)<sup style='font-size: smaller;'>2</sup> (x + 2)<sup style='font-size: smaller;'>2</sup>
- D (x + 1)<sup style='font-size: smaller;'>2</sup> (x + 2)(x - 2)
Question 9:
Simplify \(\frac{x - y}{x^{\frac{1}{3}} - x^{\frac{1}{3}}}\)
- A X<sup style='font-size: smaller;'>2</sup> + xy + y<sup style='font-size: smaller;'>2</sup>
- B X<sup style='font-size: smaller;'>\(\frac{2}{3}\)</sup> + x <sup style='font-size: smaller;'>\(\frac{1}{3}\)</sup> + y<sup style='font-size: smaller;'>\(\frac{2}{3}\)</sup>
- C X<sup style='font-size: smaller;'>\(\frac{2}{3}\)</sup> - x<sup style='font-size: smaller;'>\(\frac{1}{3}\)</sup>y<sup style='font-size: smaller;'>\(\frac{2}{3}\)</sup>
- D Y<sup style='font-size: smaller;'>\(\frac{2}{3}\)</sup>
Question 10:
What is the solution of the equation x2 - x - 1 + 0?
- A X = 1.6 and x = -0.6
- B X = -1.6 and x = 0.6
- C X = 1.6 and x = 0.6
- D X = -1.6 and x = -0.6