Inequalities - Jamb Mathematics Past Questions and Answers

Question 11:

• JAMB 2013

Evaluate 3(x + 2) > 6(x + 3)

A. X < 4
B. X > -4
C. X < -4
D. X > 4

Question 12:

• JAMB 2013

Solve for x: |x - 2| < 3

A. X < 5
B. -2 < x < 3
C. -1 < x < 5
D. X < 1

Question 13:

• JAMB 1978

If \(3x - \frac{1}{4})^{\frac{1}{2}} > \frac{1}{4} - x \), then the interval of values of x is

A. X > \(\frac{1}{3}\)
B. X < \(\frac{1}{3}\)
C. X < \(\frac{1}{4}\)
D. X < \(\frac{9}{16}\)
E. X > \(\frac{9}{16}\)

Question 14:

• JAMB 1979

Which of the following values of the variable x, (a)x = 0, (b)x = -3, (c)x = 9, satisfy the inequalities 0 < \(\frac{x + 3}{x - 1}\) < 2?

A. (a), (b), (c)
B. (c)
C. None of the choices
D. All of the above

Question 15:

• JAMB 1980

List all integer values of x satisfying the inequality -1 < 2x - 5 \(\leq\) 5

B. 3, 4, 5
C. 2, 3, 4
D. 3, 4