Arithmetic Sequences

Front

An arithmetic sequence is shown below.

5, 1, -3, -7, ...

Which explicit formula can be used to determine the nth term of the sequence?

a_n = -4n + 5

,

a_n = -4n + 9

,

a_n = -5n + 1

,

a_n = -5n + 9

Back

a_n = -4n + 9

Tags

CCSS.HSF.BF.A.2

Front

Sequence: 32, 26, 20, 14, ...
Which explicit formula can be used to determine the nth term?

Back

a_n = -6n + 38

Tags

CCSS.HSF.BF.A.2

Front

The table shown shows a pattern.

Based on the table, which expression represents the value of the nth term of the pattern?

Options: n - 2, n² + 2, 4n + 3, n² - 2

Back

n² - 2

Tags

CCSS.HSF.BF.A.2

Front

5th, 6th, 7th terms of arithmetic sequence: -10, -7, -4. Find explicit formula.

Back

f(n) = 3n - 25

Tags

CCSS.HSF.BF.A.2

Front

Write a recursive rule for the sequence -10, -3, 4, 11, ...

Back

a_n = a_n-1 + 7

Tags

CCSS.HSF.IF.A.3

Front

The first four terms of a sequence are shown below.

-10, -14, -18, -22, ...

Which explicit formula can be used to determine the nth term in the sequence?

a_n = n - 10

,

a_n = -4n - 14

,

a_n = -4n - 6

,

a_n = n - 4

Back

a_n = -4n - 6

Tags

CCSS.HSF.BF.A.2

Front

Sequence: -20, -17, -14, -11, -8, ... Which explicit equation can be used to determine the value of the nth term? Options: aₙ = n + 3, aₙ = 3n + 23, aₙ = n - 23, aₙ = 3n - 23

Back

aₙ = 3n - 23

Tags

CCSS.HSF.BF.A.2

Front

An arithmetic sequence has these properties:

a₁ = 2

a_n = a_(n-1) + 5

What are the first four terms of the sequence?

Back

2, 7, 12, 17

Tags

CCSS.HSF.BF.A.2

Front

The sequence below shows the number of raffle tickets that Samantha sold each day during a month:

3, 7, 11, 15, ...

Which explicit formula models the number of tickets Samantha sold on day x?

Options: t(x) = 4x - 1, t(x) = x + 4, t(x) = 4x + 3, t(x) = 3x + 4

Back

t(x) = 4x - 1

Tags

CCSS.HSF.BF.A.2

Front

Write a recursive formula for the sequence 8, 10, 12, 14, 16, ... and find the next term.

Back

a_n = a_n-1 + 2; a₁ = 8; Next term is 18

Tags

CCSS.HSF.BF.A.2