Practice Sequences ( Arithmetic and Geometric) 12/08/2022

Which of the following is a correct description of an arithmetic sequence?

• A term is obtained by multiplying a constant number from the preceding term.

• A term is obtained by squaring the preceding term. c. A term is

• A term is obtained by adding a constant number to the preceding term.

• A term is obtained by extracting the square root of the preceding term.

Tags

CCSS.HSF.BF.A.2

Which of the following is the common difference of the arithmetic sequence 4, 7, 10, 13, …?

• 0

• 1

• 2

• 3

Tags

CCSS.HSF.BF.A.2

Write the recursive formula for 6, 17, 28, 39, 50....

• a_n=a_n-1+11
  a₁=6
• a_n=a_n-1-4
  a₁=6
• a_n=a_n-1+9
  a₁=6
• a_n=a_n-1+6
  a₁=6

Tags

CCSS.HSF.BF.A.2

Given the recursive formula, find the first four terms:
a_n = a_n-1 + 5
a₁ = -16

• -16, -21, -26, -31
• 5, -11, -27, -43
• -16, -80, -500, -200
• -16, -11, -6, -1

Tags

CCSS.HSF.BF.A.2

Which of the following recursive formulas represents the given sequence.

4, 12, 20, 28, 36, ...

Tags

CCSS.HSF.IF.A.3

What does A₁ mean?

• Common Ratio

• Common Difference

• The first term of the sequence

• Term

Tags

CCSS.HSF.BF.A.2

Find the first four terms of the sequence.

a_n= 3(4)ⁿ

• 12, 48, 192, 768

• 12, 144, 1728, 20736

• 12, 24, 36, 48

• 3, 12, 48, 192

Tags

CCSS.HSF.BF.A.2

What is the explicit formula? 

25, 125, 225, 325, ...

Tags

CCSS.HSF.BF.A.2

Find the common ratio for the geometric sequence.

• 1
• -1
• 7
• -7

Tags

CCSS.HSF.BF.A.2

A formula that requires finding all previous terms to find the value of a_n.

• Explicit Formula

• Recursive Formula

• Arithmetic Formula

• Geometric Formula

Tags

CCSS.HSF.BF.A.2