Question 12
PolynomialsFind the remainder when 2x3 − 11x2 + 8x − 1 is divided by x + 3.
- A.−871
- B.−781
- C.−187
- D.−178
Show the answer and explanation
Answer: D (−178)
Explanation
Put x = −3: 2(−27) − 11(9) + 8(−3) − 1 = −54 − 99 − 24 − 1 = −178.
Find the remainder when 2x3 − 11x2 + 8x − 1 is divided by x + 3.
Answer: D (−178)
Put x = −3: 2(−27) − 11(9) + 8(−3) − 1 = −54 − 99 − 24 − 1 = −178.