Sequences Review

Determine if the sequence 0.2, 1, 5, 25 is arithmetic or geometric. Then identify the next term in the sequence.

• arithmetic; 75

• arithmetic; 125

• geometric; 75

• geometric; 125

Tags

CCSS.HSF.BF.A.2

Which represents the recursive formula for the arithmetic sequence  $a_n\ =\ 7\ -\ 3\left(n-1\right)$   ?

•  $a_3\ =\ a_2\ -\ 7$  

•  $a_3\ =\ a_2\ \times\ 3$  

•  $a_2\ =\ a_1\ +\ 3$  

•  $a_2\ =\ a_1\ -\ 3$  

Tags

CCSS.HSF.BF.A.2

Determine if the sequence -184, -207, -230, -253,...is arithmetic or geometric. Then identify the next term in the sequence.

• arithmetic -276

• arithmetic; -23

• geometric; -23

• geometric; -276

Tags

CCSS.HSF.BF.A.2

Which explicit formula is represented by the graph?

• $g_n\ =\ 2^{\left(n-1\right)}$

• $g_{n\ }=\ 1^{\left(n-1\right)}$

• $g_n\ =\left(-1\right)^{\left(n-1\right)}$

• $g_n\ =\left(-2\right)^{\left(n-1\right)}$

Tags

CCSS.HSF.LE.A.2

Which explicit formula represents the sequence: 1, 4, 16, 64, 256... ?

• $g_n\ =\ 4\ \times\ 1^{\left(n-1\right)}$

• $g_n\ =\ -4^{\left(n-1\right)}$

• $g_n\ =\ 4^{\left(n-1\right)}$

• $g_n\ =\ -4\ \times\ 1^{\left(n-1\right)}$

Tags

CCSS.HSF.BF.A.2

What is another representation of the explicit formula  $a_n\ =\ 15\ +\ 5\left(n-1\right)$  ?  SELECT ALL THAT APPLY.

• 15, 20, 25, 30, 35

• 
•  $a_6\ =a_5\ +\ 5$  

• 

Tags

CCSS.HSF.BF.A.2