Arithmetic Series

Evaluate the arithmetic series described:
2 + (-2) + (-6) + (-10)..., S₁₀

• -160
• -328
• -320
• -336

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

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.IF.A.3

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

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

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

• -959
• -1904
• -952
• -1918

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Evaluate the arithmetic series described:
a₁ = 12, a_n = 64, Find S₁₄

• 1082
• 532
• 541
• 1064

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

Evaluate the arithmetic series described:
a₁ = 5, a_n = 145, Find S₁₅

• 1125
• 2255
• 2250
• 2258

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

You are sitting in row 23 and notice there are 65 seats in your row. The row in front of you has 63 seats and the row behind you has 67 seats. There are 42 rows in the auditorium. How many seats does the auditorium contain? (Hint: Find the number of seats in the first and last rows)

• 2,604
• 2,163
• 2,422
• 2,803

Tags

CCSS.HSF.BF.A.2