Arithmetic Sequences Flashcard

Front

Find the first term of the sequence where a₁₄=68 and d=3.

Back

29

Front

How many blocks will the 10th figure contain? Options: 16, 12, 21, 30

Back

21

Front

Sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...

Back

18,475

Front

Back

B.

Front

Evaluate the arithmetic series described:
2 + (-2) + (-6) + (-10)..., S₁₀

Back

-160

Front

Create the explicit formula for the sequence: 2, 8, 14, ...

Back

a_n=6n-4

Front

Find the 22nd term of the sequence: 5, 8, 11, ...

Back

68

Front

What is the rule (explicit equation) for the n^th term given 60, 55, 50, 45, ...? Options: a_n= -5+60n, a_n= -5n+55, a_n= -5n+65, a_n= 5n+55

Back

a_n= -5n+65

Front

Identify the common difference.
97, 86, 75, 64, ...

Back

-11

Front

Find the missing terms of the arithmetic sequence: 145, ___, ___, ___, 205

Back

160, 175, 190