Polynomials - Jamb Mathematics Past Questions and Answers

Question 1:

• JAMB 1979

The solution of the equation x² - 2x = 8 is

A. X = 0 or 2
B. X = -2 or 4
C. X = 2
D. X = -4
E. X = 2 or 4

Question 2:

• JAMB 2019

Make q the subject of the formula in the equation \(\frac{mn}{a^2} - \frac{pq}{b^2} = 1\)

A. \(q = \frac{b^2(mn - a^2)}{a^2 p}\)
B. \(q = \frac{m^2 n - a^2}{p^2}\)
C. \(q = \frac{mn - 2b^2}{a^2}\)
D. \(q = \frac{b^2 (n^2 - ma^2)}{n}\)

Question 3:

• JAMB 2019

If \(6x^3 + 2x^2 - 5x + 1\) divides \(x^2 - x - 1\), find the remainder.

A. 9x + 9
B. 2x + 6
C. 6x + 8
D. 5x - 3

Question 4:

• JAMB 2019

If \(f(x) = 3x^3 + 4x^2 + x - 8\), what is the value of f(-2)?

A. -24
B. 30
C. -18
D. -50

Question 5:

• JAMB 2019

Find the value of x and y in the simultaneous equation: 3x + y = 21; xy = 30

A. X = 3 or 7, y = 12 or 8
B. X = 6 or 1, y = 11 or 5
C. X = 2 or 5, y = 15 or 6
D. X = 1 or 5, y = 10 or 7