Sequence and Series - 7th

Create the formula for the sequence:
2, 8, 14, ...

• a_n=2+6n
• a_n=-6+6n
• a_n=6n-4
• a_n=4-6n

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Find a₂₆ in the arithmetic sequence: -15, -35, -55, -75, ...

• -515
• -490
• -535
• 460

Find the sum of the series.

• 28

• -29

• 30

• 27

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.1

CCSS.HSA.SSE.A.2

Find the sum of the series

• 85

• 87

• 92

• 90

Given the arithmetic sequence, find the missing terms

• A

• B

• C

• D

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

Find the sum of the first 20 terms of the arithmetic series

• A

• B

• C

• D

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Find the sum of the first 12 terms of the arithmetic series

• A

• B

• C

• D

Tags

CCSS.HSF.BF.A.2

Is the sequence 9, 99, 999, 9999,... geometric?

• no
• yes

Tags

CCSS.HSF.BF.A.2

Is the sequence 2, 4, 12, 48,... geometric?

• yes
• no

Tags

CCSS.HSF.BF.A.2

Find the common ratio: 4, -16, 64, -256, ...

• r = -4
• r = 2
• r = -2
• r = 4

Tags

CCSS.HSF.BF.A.2