Determine the following sequences whether ARITHMETIC or GEOMETRIC. If your answer is ARITHMETIC give the COMMON DIFFERENCE, if it is GEOMETRIC give the COMMON RATIO.
1. -10, -20, -40, -80,...
2. 3, -3, 3, -3, 3, -3,...
3. 5, 10, 20, 40, 80,...
4. 16, 9, 4, 1,...
5. 20, 40, 60, 80,...
6. 2x, 10x, 50x,...
7. 0, 2, 4, 6, 8,...
8. 3, 6, 9, 12, 15,...
9. 1, 2, 3, 4, 5,...
10. -80, -50, -20, -10,...
1. -10, -20, -40, -80,...
2. 3, -3, 3, -3, 3, -3,...
3. 5, 10, 20, 40, 80,...
4. 16, 9, 4, 1,...
5. 20, 40, 60, 80,...
6. 2x, 10x, 50x,...
7. 0, 2, 4, 6, 8,...
8. 3, 6, 9, 12, 15,...
9. 1, 2, 3, 4, 5,...
10. -80, -50, -20, -10,...
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Answer:
1. COMMON RATIO = 2
2. COMMON RATIO = 1
3. COMMON RATIO = 2
4. COMMON DIFFERENCE = -3
5. COMMON RATIO = 2
6. COMMON RATIO = 5
7. COMMON DIFFERENCE = 2
8. COMMON DIFFERENCE = 3
9. COMMON DIFFERENCE = 1
10. COMMON DIFFERENCE = 30
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