Polynomials Jamb Mathematics Past Questions
Question 31
Divide the expression \(x^3+ 7x^2 - x - 7\) by -1 + x\(^2\)
- A. \(-x^3 + 7x^2 - x - 7\)
- B. \(-x^3 = 7x + 7\)
- C. x - 7
- D. x + 7
Question 32
Factorize \(9p^2 - q^2 + 6qr - 9r^2\)
- 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)
Question 33
Solve the equation: \(y - 11\sqrt{y} + 24 = 0\)
- A. 8, 3
- B. 64, 9
- C. 6, 4
- D. 9, -8
Question 34
If x + 1 is a factor of \(x^3+ 3x^2+ kx + 4\), find the value of k
- A. 6
- B. -6
- C. 8
- D. -8
Question 35
Multiply \( (x^{2} - 3x + 1) \) by \( (x - a) \)
- 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. \(x^{3} + (3 - a)x^{2} + (1 + 3a) - a \)