SOLUTION: which pattern is not linear a. 1,6,11,16,21,...
b. -1,7,15,23,31,...
c. 1,21,31,41,...
d. 1,3,9,27,81,
Algebra.Com
Question 256049: which pattern is not linear a. 1,6,11,16,21,...
b. -1,7,15,23,31,...
c. 1,21,31,41,...
d. 1,3,9,27,81,
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
which pattern is not linear
Comment:
If there is a common difference, the sequence is linear.
If there is a common multiple, the sequence is geometric
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a. 1,6,11,16,21,...common diff. of 5 , so it is linear
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b. -1,7,15,23,31,...common diff. of 8, so it is linear
------------------------------
c. 1,21,31,41,...no common diff
------------------------------
d. 1,3,9,27,81.....common multiple of 3, so it is geometric
============================================
Cheers,
Stan H.
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