arithmetic sequence 3

Find the sum of the arithmetic series described:

2 + (-2) + (-6) + (-10)..., S₁₀

• -160

• -328

• -320

• -336

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.1

CCSS.HSA.SSE.A.1

The sequence 28, 34, 40, 46, 52, ..., 88 has 11 terms. Find the sum of the 11 terms.

• 550

• 638

• 610

• 288

Tags

CCSS.HSF.BF.A.2

Evaluate: $\sum_{x=2}^{11}\left(5x-2\right)$  

• 305

• 503

• 53

• 8

Tags

CCSS.6.EE.A.2

Expand:  $\sum_{k=3}^6\left(2k-1\right)$  

• 4, 6, 8, 10

• 4, 6, 8

• 5, 7, 9, 11

• 5, 7, 9

Tags

CCSS.HSF.BF.A.2

What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...?

• 1,600
• 18,235
• 18,475
• 19,125

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

• 149
• 11,200
• 5,600
• 140

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

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

• 81
• -34
• -146
• -225

Tags

CCSS.HSF.BF.A.2

Find the sum.

24+48+72+...+480

*Hint: Find out what term number 480 is first. Then find the sum.*

• 5280

• 9576

• 10080

• 5040

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.3

Find the sum of the first 100 odd numbers

• 5000

• 2500

• 2525

• 3250

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.3

Evaluate the arithmetic series described:
11 + 18 + 25 + 32..., S₇

• 225
• 450
• 384
• 224

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

CCSS.HSF.IF.A.3