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3 votes
Indicate a general rule for the nth term of this sequence.

12m, 15m, 18m, 21m, 24m, . . .
CHOICES:
a.) an = 3mn + 9m
b.)an = -3mn – 9m
c.)an = -3mn + 9m
d.)an = 3mn – 9m

User Prosoitos
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1 Answer

3 votes
a. an = 3mn + 9m
You can easily figure out the answer by plugging in values for n and testing to see which works.
User Jon Crowell
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