Arithmetic Sequences Review

Find a₂₆ in the arithmetic sequence: -15, -35, -55, -75, ...

• -515
• -490
• -535
• 460

Tags

CCSS.HSF.BF.A.2

Find the first term of the given sequence:
a₁₄=68
d=3

• 14
• 20
• 26
• 29

Tags

CCSS.HSF.BF.A.2

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.  (Hint:  Simplify your equation.)

• a_n = 4n + 29
• a_n = -4n + 25
• a_n = -4n + 29
• a_n = 4n + 25

Tags

CCSS.HSF.BF.A.2

Find the 4th term for the sequence defined by a₁=9; a_n=a_n-1+8

• 35
• 17
• 41
• 33

Tags

CCSS.HSF.BF.A.2

Find  $a_{32}$  for the sequence.
9, 4, -1, -6, -11, ...

• 81

• -34

• -146

• -225

Tags

CCSS.HSF.BF.A.2

Write the explicit formula for the sequence containing  $a_{26}=38$  and  $a_{40}=94$  

•  $a_n=-66+4\left(n-1\right)$  

•  $a_n=-62+4\left(n-1\right)$  

•  $a_n=-58+4\left(n-1\right)$  

•  $a_n=-62+4n$  

Tags

CCSS.HSF.BF.A.2

Write the recursive formula for the sequence:  $a_n=5-\frac{1}{2}n$  

•  $a_1=4.5\ \ \ \ \ \ \ a_n=a_{n-1}-\frac{1}{2}\ ,\ n\ge2$  

•  $a_1=5\ \ \ \ \ \ \ \ a_n=a_{n-1}-\frac{1}{2},n\ge2$  

•  $a_1=-\frac{1}{2}\ \ \ \ \ \ \ \ \ a_n=a_{n-1}+5,n\ge2$  

•  $a_1=5\ \ \ \ \ \ \ a_n=a_{n-1}+\frac{1}{2\ },\ n\ge2$  

Tags

CCSS.HSF.BF.A.2

Write the explicit formula for the sequence where  $a_{42}=-18$  and  $a_{96}=-288$  

•  $a_n=187-5n$  

•  $a_n=192-5n$  

•  $a_n=-270+5n$  

•  $a_n=-265+5n$  

Tags

CCSS.HSF.BF.A.2

 Write the recursive formula for the arithmetic sequence with a difference of -4.5 and  $a_{13}=-80$  

•  $a_1=26\ \ \ \ a_n=a_{n-1}-4.5,\ n\ge2$  

•  $a_1=-\ 138.5\ \ \ a_n=a_{n-1}-4.5,n\ge2$  

•  $a_1=-134\ \ \ \ \ a_n=a_{n-1}-4.5,\ n\ge2$  

•  $a_1=-26\ \ \ \ a_n=a_{n-1}-4.5,\ n\ge2$  

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