Solve the inequality.
? 2
A. (-?, -1) ? (-1, 1) ? [2, ?)
B. (-?, -1) ? [2, ?)
C. (-?, 1) ? [2, ?)
D. (1, 2]
Answer: A
Mathematics
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Find all square roots of the number.10,000
A. 99, -99 B. 100, -100 C. 101, -101 D. 10, -10
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Divide and express the result in standard form.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
+ 
i
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Perform the operations indicated.73,519 ÷ 100,000
A. 0.073519 B. 0.73519 C. 7.3519 D. 0.0073519
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Fill in the blank using the word product, sum, quotient, or difference.The formula sin ? cos ? = 
[sin (? + ?) + sin (? - ?)] can be used to change a 
of a sine and a cosine into the 
of two sine expressions.
A. product, sum B. product, difference C. quotient, difference D. quotient, sum
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