B. Write ARITHMETIC SEQUENCE if the given sequence is arithmetic. otherwise NOT. Give the common difference for each arithmetic sequence.
1.) 400, 200, 100, 50, ...
2.) 2, - 11, 20, - 29, 38
3.) -14, -5, 4, 13, 22, ...
4.) 1/2, 2/3, 5/6, 1, ...
5. 5x, 6x², 7x³, 8x⁴, 9x⁴,...
Answers & Comments
Answer:
1) not
2) not
3) arithmetic sequence (d=9)
4) arithmetic sequence (d= 1/6)
5) not