13. What is the quotient when (2x⁴ + 4x³-5x² + 2x-3) is divided by (2x² + 1)? A. x² + 2x-3
B. x² + 2x +3
C. x² - 2X-3
D. x² - 2x +3
14. Which polynomial gives a quotient of (3x² + 2x + 4) and a remainder of 19 when divided by (2x - 3)?
A. 6x³-5x² + 2x
B. 6x³ -5x² + 4x + 7
C. 6x³ -5x² + 2x + 7
D. 6x³ + 5x² + 2x + 7
15. What is the remainder when (x⁹ + 2x⁸ + 3x⁷ + ...+ 9x) is divided by (x - 1)?
A. 45
B. 90
C. 180
D. 360
16. The remainder after dividing (-10x³ + 5x2 + K) by (x + 1) is 4. Which of the following is the value of K?
A. 9
B. 19
C. -19
D.-11