Write a formula for the general term (the nth term) of the geometric sequence.2, -4, 8, -16, 32, . . .
A. an = 2(-2)n
B. an = 2(-2n)
C. an = a1 - 2n
D. an = 2(-2)n - 1
Answer: D
Mathematics
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Find the sum.1 +2 + 3 + . . . + 755
A. 284,635 B. 570,780 C. 570,025 D. 285,390
Mathematics
Provide an appropriate response.Identify a verbal interpretation of the statement: 
= 2
A. Two is the result of three subtracted from a number. B. Three divided by a number is two. C. A number divided into three is two. D. A number divided by three is two.
Mathematics
Find the general form of the equation of the line: perpendicular to a line with a slope 
and passing through (5, -1).
What will be an ideal response?
Mathematics
Find the root.
A. 81 B. 27 C. Not real number D. 9
Mathematics