Polynomials Jamb Mathematics Past Questions
Question 56
Multiply \(x^2+ x + 1\) by \(x^2\)- x + 1
- A. x\(^4\) - x + x²
- B. x\(^4\) - x² + x²
- C. x\(^4\) + x² + 1
- D. x\(^4\) + x²
Question 57
Which of the following is NOT a factor of 12\(^{4}\) - 5\(^{4}\)?
- A. 7
- B. 13
- C. 17
- D. 49
- E. 169
Question 58
What factor is common to all the expressions \(x^2- x\), \(2x^2+ x - 1\) and \(x^2- 1\)?
- A. x
- B. x + 1
- C. x - 1
- D. No common factor
- E. (2x - 1)
Question 59
The expression x\(^3\) - 4x\(^2\) + cx + d is such that x + 1 is its factor, and its value is 1 when x is -2. Find c and d.
- A. c = 4 and d = -9
- B. c = -4 and d = 9
- C. c = -20 and d = -15
- D. c = 20 and d = -15
- E. c = -20 and d = 15
Question 60
The solution of the equation x\(^2\)- 2x = 8 is
- A. x = 0 or 2
- B. x = -2 or 4
- C. x = 2
- D. x = -4
- E. x = 2 or 4
