Use the Rational Zero Theorem to list all possible rational zeros for the given function.f(x) = -2x3 + 2x2 - 4x + 8
A. ± 
, ± 
, ± 
, ± 1, ± 2, ± 4, ± 8
B. ± 
, ± 1, ± 2, ± 4, ± 8
C. ± 
, ± 1, ± 2, ± 4
D. ± 
, ± 
, ± 1, ± 2, ± 4, ± 8
Answer: B
Mathematics
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Solve the problem.The length of a rectangular storage room is 2 feet longer than its width. If the area of the room is 63 square feet, find its dimensions.
A. w = 7 ft, l = 9 ft B. w = 6 ft, l = 8 ft C. w = 8 ft, l = 10 ft D. w = 6 ft, l = 10 ft
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Subtract the real numbers. Write any improper fraction as a whole or mixed number where appropriate.
- 
A. 5
B. 
C. 
D. 
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
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Simplify the following algebraic expression and express your answer using positive exponents only.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics