Question 12
PolynomialsFind the remainder when 3x3 + 5x2 − 11x + 4 is divided by x + 3.
- A.4
- B.1
- C.−1
- D.−4
Show the answer and explanation
Answer: B (1)
Explanation
By the remainder theorem, put x = −3: −81 + 45 + 33 + 4 = 1.
Find the remainder when 3x3 + 5x2 − 11x + 4 is divided by x + 3.
Answer: B (1)
By the remainder theorem, put x = −3: −81 + 45 + 33 + 4 = 1.