Factorization of polynomials - Jamb Mathematics Past Questions and Answers

Question 56:

• JAMB 1995

Factorize completely the expression \(abx^2 + 6y - 3ax - 2byx\)

A. (ax - 2y)(bx - 3)
B. (bx + 3)(2y - ax)
C. (bx + 3)(ax - 2y)
D. (ax - 2y)(ax - b)

Question 57:

• JAMB 1995

If x - 1 and x + 1 are both factors of the equation x\(^3\) + px\(^2\) + qx + 6 = 0, evaluate p and q

A. -6, -1
B. 6, 1
C. 1, -1
D. 6, -6

Question 58:

• JAMB 1995

Factorize completely the expression \(abx^2 + 6y - 3ax - 2byx\)

A. (ax - 2y)(bx - 3)
B. (bx + 3)(2y - ax)
C. (bx + 3)(ax - 2y)
D. (ax - 2y)(ax - b)

Question 59:

• JAMB 1997

If 8^{\(\frac{x}{2}\)} = (2^{\(\frac{3}{8}\)})(4\(\frac{3}{4}\)), find x

A. \(\frac{3}{8}\)
B. \(\frac{3}{4}\)
C. \(\frac{4}{5}\)
D. \(\frac{5}{4}\)

Question 60:

• JAMB 1997

Find the value of k if \(\frac{5 + 2r}{(r + 1)(r - 2)}\) expressed in partial fraction is \(\frac{k}{r - 2}\) + \(\frac{L}{r + 1}\) where K and L are constants

A. 3
B. 2
C. 1
D. -1