Sequences and Series

State if it is arithmetic, geometric or neither. 
-30,-14,-6,-2, 0, ...

• Arithmetic
• Geometric
• Neither 
• I dunno???

Tags

CCSS.HSF.BF.A.2

What is the twelfth term in the sequence 3, -6, 12, . . . ?

• -2,048
• 6,144
• -6,144
• -531,441

Tags

CCSS.HSF.BF.A.2

What is the sum of the first ten terms of the sequence 4, -12, 36, -144 . . . ?

• 59,050
• -59,048
• -78,732
• 118,096

Tags

CCSS.HSA.SSE.B.4

The next two terms of the sequence 8,4,2,1, 1/2 are

• 1/3 and 1/4
• 1/4 and 1/8
• 1/8 and 1/6
• 1/5 and 1/7

Tags

CCSS.HSF.BF.A.2

What is the explicit rule for the sequence:
11, 22, 44, 88...

• a_n = 2(11)^n-1
• a_n = 11x2
• a_n = 11(2)^n-1

Tags

CCSS.HSF.LE.A.2

Determine if this represents a...
50000, 5000, 500, 50...

• Arithmetic Sequence
• Geometric Sequence
• Arithmetic Series
• Geometric Series

Tags

CCSS.HSF.BF.A.2

Find the indicated sum for the geometric series.
S₆ for (-4/5) + 8 + (-80) + 800 + ....

• S₆ = 21, 845
• S₆ = 72, 000
• S₆ = 72, 727.2

Tags

CCSS.HSA.SSE.B.4

Find the rule for this geometric sequence:
r = 3            a₃ = -12  

• a_n = (-4/3) (3)^n-1
• a_n = -4 (3)^n-1
• a_n = (-3/4) (3) ^n-1

Tags

CCSS.HSF.BF.A.2

Identify the common ratio.
3, 9,27,81, ...

• 6
• 5
• 4
• 3

Tags

CCSS.HSF.BF.A.2

Find the 13th term: 
2, 6, 18, 54, ….

• 1,000,000
• 1,062,882
• 123,587
• 5 bazillion

Tags

CCSS.HSF.BF.A.2