Arithmetic Sequences

Front

Is the sequence arithmetic: -3, 3, -3, 3, ...

Back

No

Front

Is the sequence arithmetic: 78, 785, 7855, 78555, ...

Back

No

Front

An arithmetic sequence is given below.

2, 9, 16, 23, ...

Which is the explicit formula for the n^th term a_n?

Options:

a_n = -7n+9

,

a_n = 7n-5

,

a_n = 7n-9

,

a_n = -7n+5

Back

a_n = 7n-5

Front

Arithmetic sequence: 16, 13, 10, 7, ... Find the explicit formula for the n^th term a_n.

Back

a_n = -3n+19

Front

Write the recursive rule for the arithmetic sequence
82, 76, 70, 64, ...

Back

a₁=82; a_n = a_n-1-6

Front

Write the recursive rule for the arithmetic sequence
-49, -35, -21, -7, ...

Back

a₁=-49; a_n = a_n-1 + 14

Front

Write the explicit rule for the arithmetic sequence
-10, -3, 4, 11,...

Back

a_n = 7n - 17

Front

Find a₆₄ for a_n = 5n + 4

Back

324

Front

The first four terms of a sequence are shown below.

-10, -14, -18, -22, ...

Which explicit formula can be used to determine the nth term in the sequence?

a_n = n - 10

,

a_n = -4n - 14

,

a_n = -4n - 6

,

a_n = n - 4

Back

a_n = -4n - 6

Front

Sequence: -20, -17, -14, -11, -8, ...

Find the explicit equation for the nth term.

Back

a_n = 3n - 23