1) What is the next term in the geometric sequence 4, -12, 36?
A. - 42
B.-54
C.-72
D. - 108
2) What is the sum of all odd integers between 8 and 267
A. 153
B. 151
C. 149
D. 148
3) The first term of an arithmetic sequence is 2 while the 18th is 87. Find the
common difference of the sequence.
A. 7
B. 6
C. 5
D.3
4) What is the sum of the infinite geometric series
4 16 64 256
3
A. 3
B. 1
C.
D.
4
5) If three arithmetic means are inserted between 11 and 39, find the second
arithmetic mean.
A 18
B. 25
C. 32
D.46
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Answer:
Step-by-step explanation:
Not sure with no 5.. I can't understand 2 and 4