What is the commom difference in the following arithmetic sequence??
2.8, 4.4, 6, 7.7
A. -4.8
B. -1.6
C. 1,6
D. 4.8

ANSWERS

2015-11-16 10:28:33

each increases by a certain amount called the common difference 4.4-2.8=1.6 6-4.4=1.6 7.7-6=1.7 hmm, some error maybe you meant 7.6 common difference is 1.6 answer is C

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