Sequences

The next term of the sequence 2,4,8,16 are

• 64
• 32
• 108
• 20

Tags

CCSS.HSF.BF.A.2

Use the explicit formula to find the first four terms of the sequence.
 $a_n=9\cdot4^{\left(n-1\right)}$  

• 4, 36, 324, 2916

• 9, 36, 144, 576

• 9, 13, 17, 21

• 4, -5, -14, -23

Tags

CCSS.HSF.BF.A.2

Use the explicit formula to find the 7th term of the sequence.
 $a_n=22-3\left(n-1\right)$  

• 4

• 1

• 18

• 114

Tags

CCSS.HSF.BF.A.2

Use the explicit formula to find the 3rd term of the sequence.
 $a_n=128\cdot\left(\frac{1}{2}\right)^{\left(n-1\right)}$  

• 64

• 32

• 16

• 8

Tags

CCSS.HSF.BF.A.2

A sequence is _______.

• a set of numbers in a specific order.

• a formula used to find a number.

• the term after a_n.

• a collection of data.

Tags

CCSS.HSF.BF.A.2

Write the recursive formula for 4, 8, 12....

• a_n=a_n-1-7
• a_n=a_n-1-4
• a_n=a_n-1+3
• a_n=a_n-1+4

Tags

CCSS.HSF.BF.A.2

Write the recursive formula of 13, 9, 5...

• a_n=a_n-1-4
• a_n=a_n-1+3
• a_n=a_n-1-5
• a_n=a_n-1+4

Tags

CCSS.HSF.BF.A.2

Write the recursive formula for 6, 17, 28, 39, 50....

• a_n=a_n-1+11
• a_n=a_n-1-4
• a_n=a_n-1+9
• a_n=a_n-1+6

Tags

CCSS.HSF.IF.A.3

Which of the following recursive formulas represents the given sequence.

7, 14, 28, 56, 112, ...

• $a_1=7$ , $a_n=a_{\left(n-1\right)}+7$

• $a_1=7$ , $a_n=a_{\left(n-1\right)}\cdot7$

• $a_1=7$ , $a_n=a_{\left(n-1\right)}\cdot2$

• $a_1=7$ , $a_n=a_{\left(n-1\right)}+14$

Tags

CCSS.HSF.IF.A.3

Which of the following equations is explicit?

• f(n) = 4n + 5
• f(n) = f(n-1) x 5

Tags

CCSS.HSF.BF.A.2