Arithmetic Sequence Basics

Which is the correct arithmetic sequence formula for: 55, 35, 15, -5,....

• $a_n=55\ +20\left(n-1\right)$

Tags

CCSS.HSF.BF.A.2

Explain how to find the formula for an arithmetic sequence:

Tags

CCSS.HSF.BF.A.2

Find the 32nd term of this sequence.
34, 37, 40, 43, ...

• 32

• 64

• 127

• 356

Tags

CCSS.HSF.BF.A.2

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

• 18

• 17

• 15

• 14

Tags

CCSS.HSF.BF.A.2

Find the nth term of the following sequence

7, 9, 11, 13, 15

Tags

CCSS.HSF.BF.A.2

Calculate the sum of the 100th term and 200th term of the sequence 6, 15, 24, 33, ... ...

Tags

CCSS.HSF.BF.A.2

Find the values of a in the following arithmetic sequence

5, 9, a, 17, 21

Tags

CCSS.HSF.BF.A.2

Find the values of a in the following arithmetic sequence

1, 6, a, 16, 21

Tags

CCSS.HSF.BF.A.2

Find the nth term of the following sequence

• n + 6

• n - 1

• 6n - 1

• 6n + 1

Tags

CCSS.HSF.BF.A.2

Find the nth term of the following sequence

-1, 4, 9, 14, 19

Tags

CCSS.HSF.BF.A.2