Recursive and Explicit Formulas for Geometric Sequences

Which of the following recursive formulas represents the given sequence.

Tags

CCSS.HSF.IF.A.3

Write the explicit formula for the sequence.

Tags

CCSS.HSF.LE.A.2

Which kind of sequence has a common ratio?

• Arithmetic

• Geometric

Tags

CCSS.HSF.BF.A.2

How do you write the recursive formula for geometric sequences using function notation?

• f(n) = f(n-1) * r

• f(n) = f(n-1) / r

• f(n) = f(n-1) + r

• f(n) = f(n-1) + r^n

Tags

CCSS.HSF.IF.A.3

• A.
• B.
• C.
• D.

Tags

CCSS.HSF.BF.A.2

What is the recursive formula for a geometric sequence?

• a(n - 1) + CD

• a(n - 1) x CR

• a₁(CR)^n-1

• CD(n - 1) + a₁

Tags

CCSS.HSF.BF.A.2

Write the recursive formula for geometric sequences.

• f(n) = f(n-1) * r

• f(n) = f(n-1) + 1

• f(n) = a(n-1) / r

• f(n) = f(n-1) + r

Tags

CCSS.HSF.IF.A.3

Write the recursive formula for the geometric sequence.

Tags

CCSS.HSF.BF.A.2

Which recursive formula best describes the sequence
2, -6, 18, - 54... 

• a_n=a_n-1* -4, a₁ = 2

• a_n=a_n-1* - 8, a₁ =2

• a_n=a_n-1* 2, a₁ = -3

• a_n=a_n-1* -3, a₁ =2

Tags

CCSS.HSF.IF.A.3

Write the explicit equation for the following sequence:

• t(n) = 30(2)ⁿ

• t(n) = 30(0.5)ⁿ

• t(n) = 60(0.5)ⁿ

• t(n) = 45 - 15n

Tags

CCSS.HSF.LE.A.2