Arithmetic Sequence to Linear Function

find the 80th term of the following sequence:

1, -3, -7, -11, -15

• - 315

• - 316

• 300

• - 280

Tags

CCSS.HSF.BF.A.2

How do we find "b" given an arithmetic sequence?

• add the common difference to a1

• subtract the common difference from a1

• it's the slope

• we don't

Tags

CCSS.HSF.BF.A.2

Convert to y=mx+b

an = 3-2(n-1)

• y=-2x+5

• y=3x-5

• y=-2x+1

• y=3x-1

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

In the explicit formula, an = a₁ + d(n-1), what does the d represent?

Answer explanation

(what it is adding or subtracting by)

Tags

CCSS.HSF.BF.A.2

Tags

CCSS.HSF.BF.A.2

Name the type Sequence:

18, 22, 26, 30, 34.....

• Arithmetic

• Geometric

• Recursive

• Explicit

Tags

CCSS.HSF.BF.A.2

Arithmetic Sequences is related to which type of function:

• Quadratic Function

• Linear Function

• Exponential Function

• Linear Absolute Value Function

Tags

CCSS.HSF.BF.A.2

Given the explicit formula, find the first four terms:
a_n = 19 - 5(n-1)

• 19, 14, 9, 4

• 19, 24, 29, 34

• 19, -95, 475, -2375

• 1, -4, -9, -14

Tags

CCSS.HSF.BF.A.2

What is an arithmetic sequence?

• Each term in a sequence is added or subtracted by a common number repeatedly

• Each term in a sequence is multiplied by a common number repeatedly

Tags

CCSS.HSF.BF.A.2

Which of the following is not an arithmetic sequence?

• 1/2, 1, 3/2, 2

• 11, 14, 17, 20

• 2, 4, 8, 16

• 5, 2, -1, -4

Tags

CCSS.HSF.BF.A.2