Sbac Sequences

Describe the rule for this sequence

5, 12, 19, 26......

• Add five each time

• Add seven each time

• Subtract seven each time

• Add 8 each time

Describe the rule for this sequence

• add 8 each time

• add 4 each time

• add 2 each time

• Double the previous term

What is the missing term in this sequence 4, ....., 8, 10

• 5

• 6

• 7

• 8

Find the next term in this sequence

6, 8,12,18.....

• 20

• 22

• 26

• 24

The above sequence of numbers is a(n):

​ (a)   sequence.

• arithmetic

• neither

• geometric

The above sequence of numbers is a(n):

​ ​ (a)   sequence.

• arithmetic

• neither

• geometric

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

Mathematical Equivalence

ON

Determine the common difference of the arithmetic sequence in which a₁ = 5 and a₅ = 17, then determine the 21^st term of this sequence.

Common difference = ​ (a)  

21^st term = ​ ​ (b)  

• 3

• 12

• 4

• 65

• 69

• 61

What is the sum of the first 20 terms of the arithmetic sequence 2, 5, 8, 11, ...?

• 590

• 610

• 630

• 650

Consider the following sequence. Determine the next three terms.

672, 336, 168, 84, ​ (a)  

The sequence above represents a ​ ​ (b)   sequence.

Meaning the sequence has a a common ​ ​ (c)   ​ .

• 42, 21, 10.5

• 0, -84, -168

• 68, 43, 36

• geometric

• arithmetic

• ratio

• difference