Factor the polynomial completely.1000c3 + 343
A. (10c + 7)(100c2 - 70c + 49)
B. (10c - 7)(100c2 + 70c + 49)
C. (10c + 7)(100c2 + 49)
D. (1000c + 7)(c2 - 70c + 49)
Answer: A
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Provide an appropriate response.Consider these two problems:(A) Find . (B) Solve this equation x2 = 100.What is the answer to part (A) and (B), and why are the answers to each part different?
What will be an ideal response?
Solve the system.
?
?
A.
B. ?
C. ?
D. ?
E. no solution
Solve the problem.The table lists the average composite scores on a national entrance exam for selected years. Make a line graph of the data. If the graph represents a piecewise-linear function f, find a symbolic representation for the piece of f located on the interval
A. f(x) = 122.7 if 1988 ? x ? 1990
B. f(x) = 0.75x - 1358 if 1984 ? x ? 1988
C. f(x) = 4.4x - 8606.9 if 1988 ? x ? 1990
D. f(x) = 131.5 if 1984 ? x ? 1986
Evaluate: 4 – 12
A) 16 B) –8 C) –16 D) 8 E) –48