Polynomials - Jamb Mathematics Past Questions and Answers

Question 176:

• 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 177:

• JAMB 1995

Finds a positive value of p if the expression 2x² - px + p leaves a remainder 6 when divided by x - p and q

A. 1
B. 2
C. 3
D. 4

Question 178:

• JAMB 1995

Find T in terms of K, Q and S if S = 2r(\(\piQT + K)

A. \(\frac{S^2}{2 \pi r^2Q} - \frac{k}{Q}\)
B. \(\frac{S^2}{2 \pi r^2Q}\) - k
C. \(\frac{S^2}{4 \pi r^2Q} - \frac{k}{Q}\)
D. \(\frac{s^2}{4 \pi r^2Q}\)

Question 179:

• 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 180:

• 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. \(\frac{5}{4}\)