2004
Mathematics
JAMB
Find the remainder when 3x3 + 5x2 - 11x + 4 is divided by x + 3
A.
-4
B.
4
C.
1
D.
-1
Correct Answer: 1
Explanation
x = -3 substitute x = -3 in 3x3 + 5x2 - 11x + 4 3(-3)3 + 5(-3)2 - 11(-3) + 4 -81 + 45 + 33 + 4 -81 + 82 = 1
x = -3 substitute x = -3 in 3x3 + 5x2 - 11x + 4 3(-3)3 + 5(-3)2 - 11(-3) + 4 -81 + 45 + 33 + 4 -81 + 82 = 1THIS WEEK's
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