Express the number in terms of i.
A. 
B. -
i
C. -23i
D. 
i
Answer: D
Mathematics
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Write the numbers in numerical order, smallest to largest.
, - 
, - 
, 
, -2
A. 
, -2, 
, - 
, - 
B. - 
, - 
, -2, 
, 
C. - 
, - 
, -2, 
, 
D. -2, - 
, - 
, 
, 
Mathematics
Find all the roots of the function. Use preliminary analysis and graphing to determine good initial approximations. Round to six decimal places.f(x) = ex + 
A. x ? -2.372856 B. x ? -2.872856 C. x ? -2.372745 D. x ? -1.372856
Mathematics
Find the missing value so that the line containing the two points will have the required slope.(1, 3) and (x, 5); m = 
A. 7
B. -7
C. 
D. 8
Mathematics
Factor completely.a2 - 100
A. (a + 10)(a - 10) B. (a2 + 10)(a2 - 10) C. (a + 100)(a - 100) D. (a - 10)2
Mathematics