CCSS.Math.Content.HSF.IF.A.3

What kind of formula is a_n = 5n + 3?

• Arithmetic Recursive
• Arithmetic Explicit
• Geometric Recursive
• Geometric Explicit

Tags

CCSS.Math.Content.HSF.IF.A.3

Find the next three terms in the arithmetic sequence: 25, 34, 43, 52, ...

• 63, 72, 81
• 79, 88, 97
• 70, 79, 88
• 61, 70, 79

Tags

CCSS.Math.Content.HSF.IF.A.3

Find the common difference: -34, -29, -24, -19, ...

• d = -5
• d = 5
• d = -6
• d = 6

Tags

CCSS.Math.Content.HSF.IF.A.3

What is the recursive form of the sequence below?
5, -3, -11, -19

• A₁=5,  A_n=A_n-1+8
• A₁=5,  A_n=A_n-1-8
• A₁=8,  A_n=A_n-1+5
• A₁=-8,  A_n=A_n-1-5

Tags

CCSS.Math.Content.HSF.IF.A.3

Given the recursive formula, find the explicit form
a_n = a_n-1 - 5
a₁ = 22

• a_n = 22 + (n-1)(-5)
• a_n = 22 + (n-1)(5)
• a_n = -5 + (n-1)(22)
• a_n = -16 + (n-1)(-5)

Tags

CCSS.Math.Content.HSF.IF.A.3

Find the recursive form of the following sequence
3, 6, 12, 24.....

• a_n= 2*a_n-1
• a_n= 3*a_n-1
• a_n= 2*a_n+1
• a_n= 3*a_n

Tags

CCSS.Math.Content.HSF.IF.A.3

Is the sequence arithmetic: 37, 31, 25, 19, ...

• Yes
• No

Tags

CCSS.Math.Content.HSF.IF.A.3

Find the common ratio for the geometric sequence.

• 10
• 1/2
• 2
• 4

Tags

CCSS.Math.Content.HSF.IF.A.3

Write a recursive formula for the following sequence:

16,8, 4, 2,...

• a₁=16

  a_n=a_n-1 (2)

• a₁=16

  a_n=a_n-1 (1/2)

• a₁=16

  a_n=a_n-1 + (1/2)

• a₁=16

  a_n=a_{n-1 +} (2)

Tags

CCSS.Math.Content.HSF.IF.A.3

What is the common ratio(multiplier) for the sequence:

28, 14, 7, 3.5...

• 2

• 1/2

• -14

• -7

Tags

CCSS.Math.Content.HSF.IF.A.3