3 years ago

Write down the nth term of this sequence... 8, 11, 14, 17, 20

1 answer:

6 0

Seems to be an arythmetic sequence
common difference is 3 (increases by 3 each time)

an=a1+d(n-1)
d=3
a1=8
an=8+3(n-1)
an=8+3n-3
an=3n+5

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