1) Is the following an arithmetic sequence: 15, 18, 21, 24, ... a) Yes b) No 2) Is the following an arithmetic sequence: -2, -8, -14, -20, ... a) No b) Yes 3) Is the following an arithmetic sequence: 20, 27, 23, 18, ... a) Yes b) No 4) Find the common difference of the following sequence: 45, 40, 35, 30, ... a) 6 b) 10 c) 4 d) 5 5) Find the common difference of the following sequence: 18, 16, 14, 12, ... a) -2 b) 3 c) 0 d) -3 6) Find the common difference of the following sequence: 0.5, 0.75, 1, 1.25, ... a) 0.35 b) 0.25 c) 0.5 d) 0.15

Arithmetic Sequence Concept Check

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