Tell if the square root is rational, irrational, or not a real number. If the square root is rational, find the exact value; if the square root is irrational, write the approximate value rounded to two decimal places.
A. irrational; 2.65
B. not a real number
C. rational; 6
D. rational; -6 and 6
Answer: C
Mathematics
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Find the indicated sum. If necessary, round to four decimal places.S10 for the geometric series 4 + 8 + 16 + ...
A. 2044 B. -2046 C. 4092 D. 1023
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Simplify by factoring out the given factor.2m7/4 - 5m-1/2; m-1/2
A. m-1/2( 2m9/4 - 5) B. m-1/2(2m7/4 + 5) C. m-1/2(10m9/4 - 2) D. 5 m-1/4(2m9/4 - 1 )
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Simplify the expression, using only positive exponents in your answer.
A. 
B. 
C. 
D. 
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Simplify, if possible.
A. 
B. 1
C. 
D. 3
Mathematics