Quiz 1 (Part 2) Module 3 Arithmetic Means and Arithmetic Series

Insert three arithmetic means between 5 and 41

• 14, 23, 32

• 12, 20, 29

• 15, 21, 32

• 14, 24, 32

Tags

CCSS.HSF.BF.A.2

Which of the following three numbers are arithmetic means of 14 and 50?

• 24, 34, 44

• 20, 31, 42

• 23, 32, 41

• 21, 32, 43

There are 7 arithmetic means between a₁ and a₈

​

.

• True

• False

Tags

CCSS.HSF.BF.A.2

Find the missing term in the arithmetic sequence 9, ___, 3.

• 4

• 6

• 5

• 7

Tags

CCSS.HSF.BF.A.2

Given the arithmetic sequence

32, ___, ___, ___, 68 whose arithmetic means are missing, what is the value or the common difference?

• 8

• 10

• 9

• 11

Tags

CCSS.HSF.BF.A.2

Insert four arithmetic means between -5 and 20.

Tags

CCSS.HSF.BF.A.2

Find the missing term in an arithmetic sequence

1, _______, 7, _______, 13

• 4; 9

• 2 ; 11

• 3; 9

• 4; 10

Tags

CCSS.HSF.BF.A.2

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

• -160
• -328
• -320
• -336

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

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