Week of 4/20 - 4/24_Arithemtic Sequences pt 1

Complete the recursive formula for the arithmetic sequence: 9, 6, 3, 0, -3, -6

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.

• a_n = 4n + 29
• a_n = -4n + 25
• a_n = -4n + 29
• a_n = 4n + 25

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

Is the sequence arithmetic: 17, 9, 1, -7, ...

• Yes
• No

Tags

CCSS.HSF.BF.A.2

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

• d = -5
• d = 5
• d = -6
• d = 6

Tags

CCSS.HSF.BF.A.2

What is the explicit formula for an arithmetic sequence?

• A_n=A₁⋅r^n-1
• A_n=A₁+(n-1)d
• A=πr²
• y=mx+b

Find the common difference.
28, 21, 14, 7, ...

• d=-8
• d=8
• d=7
• d=-7

What is the 5th term in the arithmetic sequence defined by the function notation
      f(1) = 3
      f(n) = f(n -1) + 4

• 7

• 10

• 12

• 19

What is the 7th term in the arithmetic sequence defined by the function notation

      f(1) = 5
      f(n) = f(n -1) -2

• -7

• 0

• -5

• 10

What is the 6th term in the arithmetic sequence defined by the function notation

      f(1) = 9
      f(n) = f(n -1) +3

• 12

• 24

• 27

• 21