Algebra Arithmetic Sequence

Write the explicit formula for the sequence.

Write the EXPLICIT rule for the arithmetic sequence

-10, -3, 4, 11,...

• a_n = 10n + 17

• a_n = 7n - 17

• a_n = -7n + 17

• a_n = 7n + 3

Identify a₁ and d for the sequence
-5, -2, 1, 4, ...

• a₁ = 3 and d = -5

• a₁ = -8 and d = 3

• a₁ = -5 and d = 3

• a₁ = -5 and d = -3

What is the explicit formula?

What is the explicit formula?

Find the 25th term of the Arithmetic Sequence 2, 6, 10, 14, ...

Find the 20th term of the Arithmetic Sequence 8, 5, 2, -1, ...

Find the 18th term of the arithmetic sequence: 12, 15, 18, 21, ...?

• 55

• 77

• 66

• 88

Determine the 22nd term of the arithmetic sequence: 1, 4, 7, 10, ...?

• 22

• 53

• 46

• 64

Find the 17th term of the Arithmetic Sequence -5, 3, 11, 19, ...