Core 1 sequences

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

Tags

CCSS.HSF.BF.A.2

Is the sequence arithmetic: 78, 785, 7855, 78555, ...

• Yes
• No

Tags

CCSS.HSF.BF.A.2

Is the sequence arithmetic: 37, 31, 25, 19, ...

• Yes
• No

Tags

CCSS.HSF.BF.A.2

Find the next three terms in the arithmetic sequence: 25, 34, 43, 52, ...

• 63, 72, 81
• 79, 88, 97
• 70, 79, 88
• 61, 70, 79

Tags

CCSS.HSF.BF.A.2

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

• yes
• no

Tags

CCSS.HSF.BF.A.2

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

• 2
• 1/2
• -14
• -7

Tags

CCSS.HSF.BF.A.2

225,75,25,8.33

• Geometric sequence with a common ratio of 1/3
• Geometric sequence with a common ration of 3
• Arithmetic sequence with a common difference of 58
• Common difference of 3

Tags

CCSS.HSF.BF.A.2

Create the explicit formula for the sequence:

2, 8, 14, ...

(Hint: Write your formula and then simplify it.)

• t(n)=2+6n

• t(n)=-6+6n

• t(n)=6n-4

• t(n)=4-6n

Find the first term of the given sequence:

t(4)=68

common difference=3

• 4

• 65

• 68

• 59

What's the third term from the recursive sequence t(n+1)=t(n) x 3 when t(1)=2

• 4

• 8

• 18

• 3