Arithmetic Sequences Recursive

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

• -6, -12, -18, -24

• 100, 94, 88, 82

• answer not here

• 100, 106, 112, 118

Tags

CCSS.HSF.BF.A.2

Given the sequence -5, -15, -25, -35..., which recursive formula describes it?

Tags

CCSS.HSF.IF.A.3

Given the sequence 11, 15, 19, 23..., which recursive formula describes it?

Tags

CCSS.HSF.IF.A.3

Given the sequence 30, 40, 50, 60..., which recursive formula describes it?

Tags

CCSS.HSF.BF.A.2

Recursive formulas are mainly used for providing the ______ and the _____ in an arithmetic sequence.

• first term

  and

  last term

• first term

  and

  common difference

• previous term

  and

  final term

• none of these

Tags

CCSS.HSF.BF.A.2

Write the recursive rule for the arithmetic sequence
82, 76, 70, 64, ...

• a₁=82; a_n = a_n-1-6

• a₁=64; a_n = a_n-1-6

• a₁=82; a_n = a_n-1+6

• a₁=64; a_n = a_n-1+6

Tags

CCSS.HSF.BF.A.2

Write the recursive rule for the arithmetic sequence
-49, -35, -21, -7, ...

• a₁=-49; a_n = a_n-1 + 10

• a₁=-7; a_n = a_n-1 + 14

• a₁=-49; a_n = a_n-1 + 14

• a₁= -49; a_n = a_n-1 -14

Tags

CCSS.HSF.BF.A.2

Identify a₁ and d for the sequence
-5, -2, 1, 4, ...

• a₁ = 3 and d = -5

• a₁ = -8 and d = 3

• a₁ = -5 and d = 3

• a₁ = -5 and d = -3

Tags

CCSS.HSF.BF.A.2

Find the given term for the sequence.
Find the 30th term of 20, 11, 2, -7, -16, ...

• 29

• -261

• -241

• cannot be determined

Tags

CCSS.HSF.BF.A.2