Arithmetic series

Evaluate 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

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.LE.A.1

Find the sum of the 1st 20 terms: 2+5+8+......

• 1220

• 610

• 600

• 612

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.1

Find the sum of the 1st 100 terms: 100+98+96+......

• 100

• 1000

• 50

• -98

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Find S_n for the given series:
a₁=22
d=-8
n=21

• 1911
• -1449
• -2436
• -1218

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

CCSS.HSF.IF.A.3

An arithmetic series is the sum of the terms in an arithmetic sequence.

• True

• False

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

• 9

• 10

• 11

• 12

• 11

• 9

• 7

• 5

• 55

• 59

• 63

• 67

Tags

CCSS.HSA.SSE.A.1

• 365

• 440

• 522

• 611

Tags

CCSS.HSF.LE.A.2

CCSS.HSA.SSE.A.1