Arithmetic and Geometric Sequences

Front

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

Back

a_n=6n-4

Front

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

Back

29

Front

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

Back

68

Front

Find the 25th term of the sequence if a₁ = 5 and d = 0.5

Back

17

Front

Is the sequence 7, 9, 12, 16,... geometric?

Back

no

Front

What kind of sequence is the pattern 400, 200, 100, 50, 25, ...?

Back

Geometric

Front

You have $10 in your bank account. It doubles every month. How much money will you have after 5 months?

Back

$320

Front

Carey is organizing her books and putting them on shelves. She put 2 books on the first shelf, 8 books on the second shelf, 32 books on the third shelf, and 128 books on the fourth shelf. What kind of sequence is this? Options: Geometric, Arithmetic, Both, Neither

Back

Geometric

Front

a₅ in the sequence a_n = 5 ⋅ 2^(n-1)

Back

a₅ = 80

Front

What is the explicit rule for the sequence:
11, 22, 44, 88...
Options: u_n = 2(11)^n-1, u_n = 11(2), u_n = 11(2)^n-1

Back

u_n = 11(2)^n-1