Sequences & Series

Which of the following recursive formulas represents the given sequence.

4, 12, 20, 28, 36, ...

Tags

CCSS.HSF.IF.A.3

Which of the following recursive formulas represents the given sequence.

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

Tags

CCSS.HSF.IF.A.3

Given the following sequence, what is a₅?

2, 7, 12, 17,...

• 2

• 12

• 17

• 22

Tags

CCSS.HSF.BF.A.2

Find the first four terms of the sequence.

a_n= a_(n-1) - 18 where a₁=10

• 18, 8, -2, -12

• 28, 46, 64, 82

• -8, -26, -44, -60

• 10, -8, -26, -44

Tags

CCSS.HSF.BF.A.2

Find the first five terms.

Tags

CCSS.HSF.BF.A.2

• 16

• 23

• 4

• 30

Tags

CCSS.HSF.BF.A.2

Determine the 3rd term of the sequence.

a₁=5

a_n= 2a_n-1 - 1

• 14

• 13

• 17

• 16

Tags

CCSS.HSF.BF.A.2

A sequence is represented below.

{–2, –6, –18, –54,  –162 ...}

 Which recursive notation could be used to represent the sequence?

• a₁ = -2

  a_n = -3 • a_{n - 1}

• a₁ = -2

  a_n = a_{n - 1} – 4

• a₁ = 2

  a_n = -3 • a_{n - 1}

• a₁ = -2

  a_n = 3 • a_{n - 1}

Tags

AI.9.12.D

Which is the recursive formula describing this sequence?

• g_n = 2•3^n-1

• g₁ = 2

  g_n = 3 • g_n-1

• t_n = 2 + (n - 1)3

• a₁ = 2

  a_n = a_{n - 1} + 4

Tags

AI.9.12.D

Find the next three terms:
5, 8, 11, 14...

• 16, 19, 22
• 17, 19, 21
• 17, 20, 23
• 16, 18, 20 

Tags

CCSS.HSF.BF.A.2