DETERMINE WHETHER THE SEQUENCE IS GEOMETRIC OR ARITHMETIC
1. 12,15,18,21,...
2. 10,5,0,-5,...
3. 5,15,45,135,...
4. -24,12,-6,3,...
1. 12,15,18,21,...
2. 10,5,0,-5,...
3. 5,15,45,135,...
4. -24,12,-6,3,...
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Answer:
1. arithmetic sequence
2. arithmetic sequence
3. geometric sequence
4. geometric sequence
Step-by-step explanation:
because,
no.1 the common difference is 3
no.2 the common difference is 5
no.3 the common ratio is 3
no.4 the common ratio is -2