Polynomials Jamb Mathematics Past Questions

Question 31

Divide the expression \(x^3+ 7x^2 - x - 7\) by -1 + x\(^2\)

jamb 1993

  • A. \(-x^3 + 7x^2 - x - 7\)
  • B. \(-x^3 = 7x + 7\)
  • C. x - 7
  • D. x + 7
View Answer and Explanation

Question 32

Factorize \(9p^2 - q^2 + 6qr - 9r^2\)

jamb 1992

  • A. (3p - 3q + r)(3p - q - 3r)
  • B. (6p - 3q - 3r)(3p - q - 4r)
  • C. (3p - q + 3r)(3p + q - 3r)
  • D. (3q - p + 3r)(3q - p + 3r)
View Answer and Explanation

Question 33

Solve the equation: \(y - 11\sqrt{y} + 24 = 0\)

jamb 1992

  • A. 8, 3
  • B. 64, 9
  • C. 6, 4
  • D. 9, -8
View Answer and Explanation

Question 34

If x + 1 is a factor of \(x^3+ 3x^2+ kx + 4\), find the value of k

jamb 1992

  • A. 6
  • B. -6
  • C. 8
  • D. -8
View Answer and Explanation

Question 35

Multiply \( (x^{2} - 3x + 1) \) by \( (x - a) \)

jamb 1991

  • A. \(x^{3} - (3 + a) x^{2} + (1 + 3a)x - a \)
  • B. \(x^{3} - (3 - a)x^{2} + 3ax - a \)
  • C. \(x^{3} - (3 - a)x^{2} - (1 + 3a) - a \)
  • D. \(x^{3} + (3 - a)x^{2} + (1 + 3a) - a \)
View Answer and Explanation