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03 Feb 2014, 01:23
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C
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Difficulty:
5%
(low)
Question Stats:
96% (00:29) correct
4%
(00:49)
wrong
based on 1980
sessions
History
Date
Time
Result
Not Attempted Yet
If x = -1, then -(x^4 + x^3 + x^2 + x) =
(A) -10
(B) - 4
(C) 0
(D) 4
(E) 10
(A) -10
(B) - 4
(C) 0
(D) 4
(E) 10
03 Feb 2014, 01:24
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SOLUTION
If x = -1, then -(x^4 + x^3 + x^2 + x) =
(A) -10
(B) - 4
(C) 0
(D) 4
(E) 10
Substitute x = -1:
\(-(x^4 + x^3 + x^2 + x) =-(1-1+1-1)=0\).
Answer: C.
If x = -1, then -(x^4 + x^3 + x^2 + x) =
(A) -10
(B) - 4
(C) 0
(D) 4
(E) 10
Substitute x = -1:
\(-(x^4 + x^3 + x^2 + x) =-(1-1+1-1)=0\).
Answer: C.
03 Feb 2014, 02:47
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(c) a ???
Maybe you meant 0?
Maybe you meant 0?
