Me points
the following is a geometric sequence.
1, 5, -25, 125,…
true
false
the following is a geometric sequence.
1, -2, 4, -8, 16,…
true
false
the next three terms of the sequence 20, 40, 80, 160,… are 320, 640, and 1280.
true
false
what is the r value of the following geometric sequence?
40, 20, 10, 5,…
one-third
one-half
2
3
find two geometric means between 4 and 13.5.
6, 9
7, 11
8, 12
9, 14
find the 7th term of a geometric sequence with t1=5 and r = -2.
300
320
340
360
find the sum of the geometric sequence 4, 16, 64, 256, 1024.
1045
1176
1256
1364
find the sum of the geometric sequence 3, 6, 12, 24.
40
42
45
50
find the sum of the following infinite geometric series, if it exists.
2 + 1.5 + 1.125 + 0.84375 +…
does not exist
8
10
12
find the sum of the following infinite geometric series, if it exists. 1/3 + 1/9 + 1/27 +1/81+..
does not exist
one-fourth
one-third
one-half