Arithmetic Sequence

What is a sequence?

• An order of the same numbers.
• A list of numbers in a specific order. 
• A list of numbers always decreased.
• An order of numbers with no relation. 

Tags

CCSS.HSF.BF.A.2

What is a term? 

• Each number in the sequence. 
• Each variable in the sequence. 
• Each number or variable in the sequence. 

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CCSS.6.EE.A.2B

How is an arithmetic sequence found?

• By multiplying/dividing the same number to the previous term.

• By adding/subtracting the same number to the previous term.

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

• Yes
• No

Tags

CCSS.HSF.BF.A.2

Is the sequence arithmetic: 17, 25, 31, 38, ...

• Yes

• No

Find the common difference: -34, -29, -24, -19, ...

• d = -5
• d = 5
• d = -6
• d = 6

Tags

CCSS.HSF.BF.A.2

Find the next three terms in the arithmetic sequence: -3, -8, -13, -18, ...

• -20, -24, -28
• -21, -25, -29
• -23, -28, -33
• -24, -29, -32

Tags

CCSS.HSF.BF.A.2

Write the recursive formula for 4, 8, 12...

• a_n=a_n-1-7
• a_n=a_n-1-4
• a_n=a_n-1+3
• a_n=a_n-1+4

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CCSS.HSF.IF.A.3

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.  (Hint:  Simplify your equation.)

• a_n = 4n + 29
• a_n = -4n + 25
• a_n = -4n + 29
• a_n = 4n + 25

Tags

CCSS.HSF.BF.A.2

Find the 32nd term of this sequence.
9, 4, -1, -6, -11, ...

• 81
• -34
• -146
• -225

Tags

CCSS.HSF.BF.A.2