Jamb Mathematics 2014 Past Questions and Answers

Question 76:

• JAMB 2014

The gradient of a line joining (x,4) and (1,2) is \(\frac{1}{2}\). Find the value of x

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

Question 77:

• JAMB 2014

Calculate the mid point of the line segment y - 4x + 3 = 0, which lies between the x-axis and y-axis.

A. \(\begin{pmatrix} 3 & -3 \\ 8 & 2 \end{pmatrix}\)
B. \(\begin{pmatrix} 3 & 3 \\ 8 & 2 \end{pmatrix}\)
C. \(\begin{pmatrix} -2 & 2 \\ 2 & 2 \end{pmatrix}\)
D. \(\begin{pmatrix} -2 & 3 \\ 3 & 2 \end{pmatrix}\)

Question 78:

• JAMB 2014

Find the equation of the straight line through (-2, 3) and perpendicular to 4x + 3y - 5 = 0

A. 3x - 4y + 18 = 0
B. 3x + 2y - 18 = 0
C. 4x + 5y + 3 = 0
D. 5x - 2y - 11 = 0

Question 79:

• JAMB 2014

If \(\sin\theta = \frac{12}{13}\), find the value of \(1 + \cos\theta\)

A. \(\frac{25}{13}\)
B. \(\frac{18}{13}\)
C. \(\frac{8}{13}\)
D. \(\frac{5}{13}\)

Question 80:

• JAMB 2014

If y = 4x³ - 2x² + x, find \(\frac{\delta y}{\delta x}\)

A. 8x² - 2x + 1
B. 8x² - 4x + 1
C. 12x² - 2x + 1
D. 12x² - 4x + 1