Arithmetic Sequences and Partial Sums

What is the common difference in the sequence {2, 7, 12 ...}

• -5

• 5

• 2

• 9

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Is the sequence {-4, 10, 23, 27...} an arithmetic sequence?

• yes

• no

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Given a₁ = 3 and a₆= 13, what is the common difference?

• 2

• 3

• 10

• 1

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

9, 19, 29, 39, ... find a₃₇

• 365

• 321

• 369

• 341

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

5, −2, −9, −16, ... is an arithmetic sequence

• yes

• no

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

Find S₂₆ of the sequence {3, -1, -5, -9...}

• -346

• -1423

• -97

• -1222

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

 $\sum_{x=4}^{39}\left(5x+2\right)\$  Find the sum

• 3125

• 3942

• 3623

• 3952

 $\sum_{x=3}^9\left(2x+2\right)$  How many terms are in the sequence?

• 6

• 7

• 3

• 2

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

In the sequence {7, 9, 11, 13...} a₂ =

• 7

• 9

• 16

• 20

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

What is d in the sequence {8, 4, 0, -4,...}

• 12

• 8

• 4

• -4

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2