MATH 2 CP Recursive Explicit Review Quiz

Which of the following equations is explicit?

• f(n) = 4n + 5
• f(n) = f(n-1) x 5

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Which of the following equations is recursive?

• f(n) = f(n-1) +4
• f(n) = 2n - 5

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

2, 5, 8, 11, 14

What's the recursive equation?

• f(n) = 3n -1

• f(n) = n + 3

• f(1) = 2; f(n) = f(n-1) +3

2, 5, 8, 11, 14

What's the explicit equation?

• f(n) = 2 + 3(n-1)

• f(n) = n + 3

• f(n) = f(n-1) +3

• f(n) = f(n+3)

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

What is the recursive equation for this function?

• f(0) = 5
  f(x) = f(x-1) - 2
• f(0) = 5
  f(x) = f(x-1) + 2
• f(0) = 5
  f(x) = f(x-1) - 3  
• f(0) = 5
  f(x) = f(x-1) + 3 

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

Which is an arithmetic sequence?

• 1, 3, 5, 7, 9, ...

• 1, 2, 4, 8, 16, 32, ...

• 1, 1, 2, 3, 5, 8, 13, ...

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

What are the next 3 terms in this sequence of terms? 3, 7, 11, 15

• 18, 22, 26
• 19, 21, 23
• 19, 23, 27
• 18, 21, 24

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

What kind of sequence is the pattern 400, 200, 100, 50, 25, ...?

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

What is the common ratio for the sequence:
28, -14, 7, -3.5...

• 1/2 (or 0.5)
• - 1/2 (or -0.5)
• -14
• -7

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

For each sequence, state if it is arithmetic, geometric, or neither.
−34, −26, −18, −10, −2, ... 

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2