Mathematical Sequences

-11, -7, -3, 1, 5, ... Find n if t_n = 45

• n = 4
• n = 14
• n = 15
• n = 16

Tags

CCSS.HSF.BF.A.2

-11, -7, -3, 1, 5, ...
Write the recursive rule.

• a₁ = 5; a_n = a_n-1 +4
• a₁ = -11; a_n-1 = a_n + 4
• a₁ = -11; a_n = a_n-1 +4
• a₁ = -11; a_n = a_n-1 - 4

Tags

CCSS.HSF.BF.A.2

3, -6, 12, -24, 48, -96, 192
Find a₅

• 12
• -24
• 48
• -96

Tags

CCSS.HSF.BF.A.2

3, -6, 12, -24, 48, -96, 192
Find n if t_n = -24

• n=4
• n=5
• n=6
• n=7

Tags

CCSS.HSF.BF.A.2

3, -6, 12, -24, 48, -96, 192
Write the recursive rule.

• a₁ = 3; a_n = a_n-1 -2
• a₁ = 3; a_n = 2(a_n-1)
• a₁ = 192; a_n = a_n-1- 2
• a₁ = 3; a_n = -2(a_n-1)

Tags

CCSS.HSF.BF.A.2

Determine the first 5 terms using the rule;  a₁ = 5; a_n = 4(a_n-1)

• 5, 9, 13, 17, 21
• 5, 1, -3, -7, -11
• 5, 20, 80, 320, 1280

• 5, -20, 80, -320, 1600

Tags

CCSS.HSF.BF.A.2

What is the 9th term of the sequence below:
a₁ = 0; a_n = a_n-1 - 8

• -72
• -64
• -56
• -80

Tags

CCSS.HSF.BF.A.2

What is the 5th term in the sequence below?
a₁ = 45; a_n = ⅓(a_n-1)

• 15
• 5
• 5/3
• 5/9

Tags

CCSS.HSF.BF.A.2

What do you call a set of numbers written in a special order by the application of a definite rule?

• Pattern

• Sequence

• Function

• Terms

Tags

CCSS.HSF.BF.A.2

Which of the following is not an arithmetic sequence?

• 1/2, 1, 3/2, 2

• 11, 14, 17, 20

• 2, 4, 8, 16

• 5, 2, -1, -4

Tags

CCSS.HSF.BF.A.2