Arithmetic Sequence Check-In

Is the sequence arithmetic: 37, 31, 25, 19, ...

• Yes
• No

Tags

CCSS.HSF.BF.A.2

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

• Yes
• No

Tags

CCSS.HSF.BF.A.2

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

• Yes
• No

Tags

CCSS.HSF.BF.A.2

Find the common difference: -34, -29, -24, -19, ...

• d = -5
• d = 5
• d = -6
• d = 6

Tags

CCSS.HSF.BF.A.2

Identify the common difference.

97, 86, 75, 64, ...

• d = 8

• d = 11

• d = -11

• d = -8

Tags

CCSS.HSF.BF.A.2

Find the common difference: 1, 201, 401, 601, ...

• d = 100
• d = 101
• d = 200
• d = 201

Tags

CCSS.HSF.BF.A.2

Find the next three terms in the arithmetic sequence: -33, -24, -15, -6, ...

• -1, 7, 15
• -5, 2, 9
• 3, 12, 21
• -65, -73, -81

Tags

CCSS.HSF.BF.A.2

What is the explicit form of an arithmetic sequence?

•  $a_n=a_1+\left(n-1\right)\cdot d$  

•  $a_n=a_1+d\left(n\right)$  
  

•  $a_1=a_n+\left(n-1\right)d$  

•  $a_n=a_1+n-d$  
  

Tags

CCSS.HSF.BF.A.2

The explicit rule for arithmetic sequence is

 $a_n=a_1+(n−1)\cdot d$ . What does the  $a_1$ represent in the equation?

• the nth term

• first term of the sequence

• term number

• common difference

Tags

CCSS.HSF.BF.A.2

The explicit rule for arithmetic sequence is

 $a_n=a_1+(n−1)\cdot d$ . What does the d represent in the equation?

• common denominator

• common difference

• common divider

• uncommon difference

Tags

CCSS.HSF.BF.A.2