Arithmetic Sequences

Select the explicit rule that represents the sequence.

• 11 - 68(n - 1)
• 68 - 9(n - 1)
• 68 - 11(n - 1)
• 9 + 68(n - 1)

What is the rule (explicit equation) for the n^th term given 
60, 55, 50, 45, ...

• a_n= -5+60n
• a_n= -5(n-1)+60
• a_n= -5n+65
• a_n= 5n+55

Tags

CCSS.HSF.BF.A.2

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.  (Hint:  Simplify your equation.)

• a_n = 4n + 29
• a_n = -4(n-1) + 25
• a_n = -4n + 29
• a_n = 4n + 25

Tags

CCSS.HSF.BF.A.2

Select the explicit rule that represents the sequence.

• 14(-3)(n - 1)
• 3 - 14(n - 1)
• 14 - 3(n - 1)

Tags

CCSS.HSF.BF.A.2

Select the explicit rule that represents the sequence.

• 6 + 5(n - 1)
• 4 + 6(n - 1)
• 6 - 4(n - 1)

Tags

CCSS.HSF.BF.A.2

Select the explicit rule that represents the sequence.

• 56.2 + 5.1(n + 1)
• 5.1 + 5.1(n - 1)
• 56.2 + 5.1(n - 1)
• 56.2 + 4.1(n - 1)

Given the sequence:
 -25, -20, -15, -10,...
What is the common difference?

• not arithmetic
• -5
• 5
• -25

Tags

CCSS.HSF.BF.A.2

Given the sequence:
 25, 12, -1,-14,...
What is the common difference?

• not arithmetic
• -13
• 12
• 25

Tags

CCSS.HSF.BF.A.2

What is the common difference?
20, 29, 38, ...

• 38
• 20
• 9
• not arithmetic

Tags

CCSS.HSF.BF.A.2

What is the common difference?
7, 9, 11, ...

• 4
• 7
• 2
• not arithmetic

Tags

CCSS.HSF.BF.A.2