Sequences Mixed Practice

What kind of sequence is the pattern 15, 17, 20, 24, 29, ...?

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

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

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

5, 15, 45, 135 is a ...

• Geometric sequence with r = 3

• Geometric sequence with r = 1/3

• Arithmetic sequence with d = 10

• Arithmetic sequence with d = 3

Tags

CCSS.HSF.BF.A.2

Write the explicit formula for the sequence shown below.

3, -3, -9, -15

• a_n=3+6(n-1)

• a_n=3−6(n-1)

• a_n=6−3(n-1)

• a_n=6+3(n-1)

Tags

CCSS.HSF.BF.A.2

Write the explicit formula for the sequence shown below.

1, 6, 11, 16

• a_n=1+5(n-1)

• a_n=1−5(n-1)

• a_n=5−(n-1)

• a_n=5+(n-1)

Tags

CCSS.HSF.BF.A.2

What is the 20^th term of the arithmetic sequence shown below.

7, 4, 1,...

• -49

• 50

• -50

• -51

Tags

CCSS.HSF.BF.A.2

Create the formula for the arithmetic sequence:
-38, -48, -58, -68...
then find the 37th term.

• a₃₇ = -408
• a₃₇ = -388
• a₃₇ = -398
• a₃₇ = -378

Tags

CCSS.HSF.BF.A.2

Create the formula for the geometric sequence:
1, 4, 16, 64...
then find the 9th term.

• a₉ = 64546
• a₉ = 65436
• a₉ = 65546
• a₉ = 65536

Tags

CCSS.HSF.BF.A.2

What is the recursive rule for the sequence:
-27, -17, -7, 3, 13, ...

• a_n = -27(10)^n-1
• a_n = -27 + 10(n-1)
• a_n = -6⋅a_(n-1)
  a₁ = -27
  
• a_n = a_(n-1) - 6
  a₁ = -27

Tags

CCSS.HSF.BF.A.2

What is the recursive rule for the sequence:
-2, 12, -72, 432, ...

• a_n = -2(-6)^n-1
  
• a_n = -2 + 6(n-1)
• a_n = -6⋅a_n-1
  a₁ = -2
  
• a_n = a_(n-1) - 6
  a₁ = -2

Tags

CCSS.HSF.BF.A.2