Recursive & Explicit Rule Review

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

CCSS.HSF.LE.A.2

Find the next three terms:
5, 8, 11, 14...

• 16, 19, 22
• 17, 19, 21
• 17, 20, 23
• 16, 18, 20 

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

What is the 7th term in the series? 15, 35, 55...

• 155
• 135
• 132
• 75

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

Given the first five terms, write the recursive formula.
15, 12, 9, 6, 3 ....

• u₁ = 15
  u_n = u_n-1 + 3
• u₀ = 15
  u_n = u_n-1 + 3
• u₁ = 15
  u_n = u_n-1 - 3 
• u₀ = 15
  u_n = u_n-1 - 3

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

Find the explicit rule that gives you y for any value of x?

• y=1 + 2x

• y = 5 + 2x

• y = 3 + 2x

• y = 11 - 2x

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.LE.A.2

Write the EXPLICIT rule for the arithmetic sequence

-10, -3, 4, 11,...

Hint** Remember y is the same as a_n

Hint** Remember x is the same as n

• a_n = 10n + 17

• a_n = 7n - 17

• a_n = -7n + 17

• a_n = 7n + 3

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Write the EXPLICIT rule for the arithmetic sequence

12, 10, 8, 6, ...

• a_n = 12n - 14

• a_n = 2n - 14

• a_n = -2n + 14

• a_n = -12n + 14

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Write the EXPLICIT rule for the arithmetic sequence

9, 13, 17, 21, ...

• a_n = -4n + 5

• a_n = -9n + 14

• a_n = 9n - 5

• a_n = 4n + 5

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2