Mathematics, 25.11.2021 08:30 kumoichie

8. What is the first term of the geometric sequence whose 4th term is -3 and sixth term is ?
A. -27
B. -81
C.
D.
C. -1
-1
81
27
9. Find the sum of the first seven terms of a geometric sequence 3, 6, 12
A. 189
B. 281
C. 381
D. 389
3
3
1
-
+
-
1
10. Find the sum of the infinite geometric sequence
A.
B.
1
C.
1
16
32
3
+
64
1
8
2
3
4
11. If the sum of the first seven terms of a geometric sequence is 547 and the
common ratio is -3. Find the first of this sequence.
A. 1
B. 2
C. 3
D. 4
12. The first ticket drawn in a cake raffle will pay the buyer P10. Each succeeding
ticket will pay 3 times as much as the preceding one. What is the total amount
paid of the first ten cake raffle ticket?
A. 595,230
B. 590,490 C. 595,250 D. 595,258
2

Answers: 1

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8. What is the first term of the geometric sequence whose 4th term is -3 and sixth term is ?