A1 M3 D3 ET Arithmetic Sequences

Is the following sequence arithmetic?
21, 13, 5, -3, ...

• YES
• NO

Tags

CCSS.HSF.BF.A.2

Is the following sequence arithmetic?
1, 4, 9, 16, ...

• YES
• NO

Tags

CCSS.HSF.BF.A.2

Which sequence is NOT an arithmetic sequence?

• -7, -13, -19, -25,...

• -10, -6, -2, 2,..

• 6, 8, 10, 12,...

• 3, 15, 75, 375,...

Tags

CCSS.HSF.BF.A.2

What is the common difference of the following sequence?

7, 27, 47, 67,...

• 10

• 20

• 3

• -20

Tags

CCSS.HSF.BF.A.2

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

• 8
• 11
• -11
• -8

Tags

CCSS.HSF.BF.A.2

The first three terms of an arithmetic sequence are as follows

13, 19, 25

What are the next two terms of the sequence?

• 31 and 37

• 31 and 36

• 30 and 37

• 30 and 36

Tags

CCSS.HSF.BF.A.2

The first three terms of an arithmetic sequence are as follows.

3, -4, -11

Find the next two terms of this sequence

• -17 and -25

• -18 and -26

• -18 and -25

• -17 and -26

Tags

CCSS.HSF.BF.A.2

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.

• a_n = 25 + 4(n-1)

• a_n = 25 + 21(n-1)

• a_n = 25 - 4(n-1)

• a_n = 13 + 4(n-1)

Tags

CCSS.HSF.BF.A.2

An arithmetic sequence is given below.

2, 9, 16, 23, ...

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

• a_n = 9 + 2(n-1)

• a_n = 2 - 9(n-1)

• a_n = 2 + 7(n-1)

• a_n = 7 + 2(n-1)

Tags

CCSS.HSF.BF.A.2

Which of the following equations is the rule for this sequence: 6, 11, 16, 21, . . .

• a_n = 6 + 5(n - 1)

• a_n = 4 + 6(n - 1)

• a_n = 6 - 4(n - 1)

Tags

CCSS.HSF.BF.A.2