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Arithmetic Sequences Quiz

Last updated over 3 years ago

9 questions

1

What is the common difference of the arithmetic sequence below?
17, -3, -23, -43, ...

1

What would be the next three terms in the sequence 2.9, 3.2, 3.5, 3.8, ...
(separate with commas)

1

Find a3 in a sequence with a1 = 20 and an = an-1 - 17

1

Find a5 in a sequence with a1 = 2 and an = an-1 + 0.4

1

Find the 8th term in a sequence with the explicit formula
an = 20 - 17(n - 1)

1

Find a21 in the sequence with the explicit formula
an = 2 + 0.4(n - 1)

1

The nth term of an arithmetic sequence with common difference d and first term a1 is:
an = a1 + (n-1)d
Find the 22nd term: 5, 2, -1, -4,...

1

Find the 90th term of this sequence:
12, 8, 4, 0,...

1

Find the 15th term: a(1) = 7; d = 3