Sequences Review

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

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

Find the first four terms of the sequence.

a_n+1= a_n + 9 where a₁= -2

• -2, -11, -20, -29

• 9, 7, 5, 3

• -2, 7, 16, 25

• 9, 18, 27, 36

Tags

CCSS.HSF.BF.A.2

Which of the following formulas would generate the sequence 2, -10, 50, -250, ....?

• $a_n=2\left(-5\right)^{\left(n-1\right)}$

• $a_n=-2\left(-5\right)^{\left(n-1\right)}$

• $a_n=-2\left(5\right)^{\left(n-1\right)}$

• $a_n=2\left(-5\right)^n$

Tags

CCSS.HSF.BF.A.2

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

• 14
• 68
• 63
• 71

Tags

CCSS.HSF.BF.A.2

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

• 8
• 11
• -11
• -8

Tags

CCSS.HSF.BF.A.2

You have $10 in you bank account.  It doubles every month.  How much money will you have after 5 months?

• $50
• $35
• $320
• $250

Tags

CCSS.HSF.BF.A.2

Find the missing term in the arithmetic sequence

84, _____, 110

• 95

• 97

• 90

• 100

Tags

CCSS.HSF.BF.A.2

Create the explicit formula for the sequence:

2, 8, 14, ...

• a_n = 2 + 6n

• a_n = -6 + 6n

• a_n = 6n - 4

• a_n = 4 - 6n

Tags

CCSS.HSF.BF.A.2

Is this sequence arithmetic, geometric, or neither?
{26, 22, 18, 14, ...}

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2