Arithmetic Series

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.IF.A.3

CCSS.HSF.LE.A.2

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

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

Evaluate the arithmetic series described:
14 + 23 + 32 + 41..., S₁₁

• 1296
• 1298
• 2604
• 649

Tags

CCSS.HSF.BF.A.2

Evaluate the arithmetic series described:
0 - 7 - 14 - 21..., S₁₇

• -959
• -1904
• -952
• -1918

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.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

Find the indicated sum for the arithmetic series:
S₂₀ for 4 + 7 + 10 + 13 + ...

• S₂₀ = 650
• S₂₀ = -606
• S₂₀ = 600

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Identify the common difference.
3, 7, 11, 15, ...

• 6
• 5
• 4
• 2

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Create the formula for the sequence:
2, 8, 14, ...

• a_n=2+6n
• a_n=-6+6n
• a_n=6n-4
• a_n=4-6n

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Find the sum the series.

• 20

• -25

• 25

• 28