10.2 Assignment

Is the sequence arithmetic: 17, 9, 1, -7, ...

• Yes
• No

Tags

CCSS.HSF.BF.A.2

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

• 8
• 11
• -11
• -8

Tags

CCSS.HSF.BF.A.2

Write the formula for the sequence:

2, 8, 14, ...

• $a_n=2+6n$

• $a_n=-6+6n$

• $a_n=6n-4$

• $a_n=4-6n$

Find the 22nd term of the following sequence:
5, 8, 11, ...

• 14
• 68
• 63
• 71

Tags

CCSS.HSF.BF.A.2

 $a_1=5,\ a_2=11,\ a_{15}=?$  

• 95

• 89

• 81

• 159

 Find the first term of the given sequence:
 $d=3$ 

 $a_{14}=68$  

• 14

• 20

• 26

• 29

The sequence 28, 34, 40, 46, 52, ..., 88 has 11 terms. Find the sum of the 11 terms.

• 550

• 638

• 610

• 288

Tags

CCSS.HSF.BF.A.2

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

Find the sum of the arithmetic series described: $2+\left(-2\right)+\left(-6\right)+\left(-10\right)+...+\left(-34\right)$  

• -160

• -328

• -320

• -336

Find $S_n$  for the given series:
 $a_1=22$  
 $d=-8$  
 $n=21$  

• 1911

• -1449

• -2436

• -1218

Find the sum of: $24+48+72+...+480$  

• 5280

• 9576

• 10080

• 5040