Polynomials Jamb Mathematics Past Questions
Question 11
A polynomial in x whose zeros are -2, -1 and 3 is
- A. \(x^3 - 7x + 6\)
- B. \(x^3 + 7x - 6\)
- C. \(x^3 + 7x + 6\)
- D. \(x^3 - 7x - 6\)
Question 12
If 2x\(^2\) - kx - 12 is divisible by x-4, Find the value of k.
- A. 4
- B. 5
- C. 6
- D. 7
Question 13
Factorize completely; (4x+3y)\(^2\) - (3x-2y)\(^2\)
- A. (x+5y)(7x+y)
- B. (x+5y)(7x-y)
- C. (x-5y)(7x+y)
- D. (x-5y)(7x-y)
Question 14
A polynomial in x whose roots are 4/3 and -3/5 is?
- A. \(15x^2 - 11x – 12\)
- B. \(15x^2 + 11x – 12\)
- C. \(12x^2 - x – 12\)
- D. \(12x^2 + 11x – 15\)
Question 15
Factorize \(2y^2- 15xy + 18x^2\)
- A. (2y - 3x) (y + 6x)
- B. (2y - 3x) (y - 6x)
- C. (2y + 3x) (y - 6x)
- D. (3y + 2x) (y - 6x)
