Which of the following is an arithmetic sequence? O 12, 15, 20, 27, .. о-1.5, —1, O -1.5, –1, – , -.. 0-20, 글 1, 11, 2, .. O 2/2, 2, v2, 1, ..

Q: 14. 1,3,9, Type of Sequence: General Form:

A:

Q: Decide if each sequence is arithmetic, geometric, or neither. [ Select] Sequence 1: 81, 27, 9, 3, ..…

A: 1. 81,27,9,3 common ration  r=2781=927=39r=13   as there is common ratio  Given series is Geometric…

Q: O -31,350 O-33,150 -35,000 O -36,900

A:

Q: What are the next three terms of the geometric sequence 4, 24, 144, ... ? O 864, 3,456, 13,824 864,…

A:

Q: 7. What is the 15th term of the sequence -8,-11,-14,-17, ...? a. -44 b. -47 c. -50 d. -53

A:

Q: 10) 8, -10, ... А) 3, —1, -5, -9, -13 В) 5, 2, —1, -4, -7 С) 4, 0, —4, -8, -12 D) -1, -5, -9, -13,…

A:

Q: 6. The first four terms of an arithmetic sequence are 2, a-b, 2a+b+7, a-3b. Find a and b.

A:

Q: Find the missing values of the arithmetic sequence A) s-r , 2r+2s , 5r+3s ,6 , ….. B) 6, a-b , 2a+b…

A:

Q: In an arithmetic sequence {a1, a2, a3, ·} the first term is 7 and the 14th term is 46, then S14 is…

A: