Find a general term an for the geometric sequence.a1 = , r = -9

A. an =  - (n - 1)
B. an = n-1 - 
C. an =  - (n - 1)
D. an =  ? (-9)n-1


Answer: D

Mathematics

You might also like to view...

Sketch the curve.

Mathematics

Find the slope of the line.

A. 2
B. - 
C.
D. - 2

Mathematics

If you add six to twice a number, the result is sixteen. What is the number? ?

A. 10 B. 5 C. 8 D. 13 E. 2

Mathematics

25x² + 4y² – 150x + 8y + 129 = 0

Find the coordinates of the foci.

Mathematics