Jamb Mathematics Past Questions For Year 1994
Question 31
What is the value of sin(-690)?
- A. \(\frac{\sqrt{3}}{2}\)
- B. -\(\frac{\sqrt{3}}{2}\)
- C. \(\frac{-1}{2}\)
- D. \(\frac{1}{2}\)
Question 32
If y = \(3t^3+ 2t^2- 7t + 3\), find \(\frac{dy}{dt}\) at t = -1
- A. -1
- B. 1
- C. -2
- D. 2
Question 33
Find the point (x, y) on the Euclidean plane where the curve y = \(2x^2- 2x + 3\) has 2 as gradient
- A. (1, 3)
- B. (2, 7)
- C. (0, 3)
- D. (3, 15)
Question 34
Evaluate \(\int^{1}_{-1}(2x + 1)^2 \mathrm d x\)
- A. 3\(\frac{2}{3}\)
- B. 4
- C. 4\(\frac{1}{3}\)
- D. 4\(\frac{2}{3}\)
Question 35
\(\begin{array}{c|c} x & 1 & 2 & 3 & 4 & 5 \\ \hline f & y + 2 & y - 2 & 2y - 3 & y + 4 & 3y - 4\end{array}\)
This table shows the frequency distribution of a data if the mean is \(\frac{43}{14}\) find y
- A. 1
- B. 2
- C. 3
- D. 4
