Jamb Mathematics 2007 Past Questions and Answers

Question 16:

• JAMB 2007

The graph above is represented by

A. Y = x³ - 3x - 2
B. Y = x³ + 2x² - x - 2
C. Y = x³ - 4x² + 5x - 2
D. Y = x³ - 4x + 2

Question 17:

• JAMB 2007

Make L the subjects of the formula if \(\sqrt{\frac{42w}{5l}}\)

A. \(\sqrt{\frac{42w}{5d}}\)
B. \(\frac{42W}{5d^2}\)
C. \(\frac{42}{5dW}\)
D. \(\frac{1}{d}\sqrt{\frac{42w}{5}}\)

Question 18:

• JAMB 2007

The solution of the quadratic inequality (x³ + x - 12) ≥ 0 is

A. X ≥ -3 or x ≤ 4
B. X ≥ 3 or x ≥ -4
C. X ≤ 3 or x v -4
D. X ≥ 3 or x ≤ -4

Question 19:

• JAMB 2007

Factorize 2t² + t - 15

A. (2t - 3)(t + 5)
B. (t + 3)(2t - 5)
C. (t + 3)(t - 5)
D. (2t + 3)(t - 5)

Question 20:

• JAMB 2007

Solve the inequalities -3(x - 2) < -2(x + 3)

A. X > 12
B. X < 12
C. X > -12
D. X < - 12