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ACCUPLACER
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Remainder Theorem
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ACCUPLACER
AAF.116 Remainder Theorem
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A student only needs the remainder for f(x) = -2x
6
+ x
5
+ 5x
4
- 3x
2
- 9x + 7 divided by x - 3. Which choice gives an efficient method and the correct remainder?
A
Evaluate f(-3) because the sign in the divisor is reversed; the remainder is -1289.
B
Evaluate f(3) with Horner's method or synthetic division; the remainder is -857.
C
Use the leading coefficient as the remainder after division by x - 3; the remainder is -2.
D
Use only the constant term of f(x); the remainder is 7.
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