Find each product. Write the result in the form a + bi.(3 + i
)(3 - i
)
A. 15
B. 45
C. 9 + 6i
D. 3
Answer: A
Mathematics
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Use =, <, or > to write a true statement.|-0.481| |4.81|
A. > B. = C. <
Mathematics
Write out the first five terms of the sequence.an = 
A. 1, 
, 
, 
, 
B. 
, 
, 
, 
, 
C. 
, 
, 
, 
, 
D. 1, 
, 
, 
, 
Mathematics
Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Mathematics
Factor out the variable that is raised to the smaller exponent.x-7 + 8x-2
A. x-7(1 + 8x5) B. x-7(1 + 8x-5) C. x-7(x + 8x5) D. x-7(8x5)
Mathematics