1.Find the missing terms in the arithmetic sequence: __, ___,___, 2,-5,-12 *


A. 23, 16, 9

B. 24, 16,8

C. 20,15, 10

D. 18, 13, 8

2. If three arithmetic means are inserted between 2 and 34, find the first of these arithmetic means. *


A. 8

B. 9

C. 10

D. 11


3. Insert three arithmetic means between 10 and 38. *


A. 16, 22, 28

B.17,24, 31

C.18.26.32

D.15, 22,32

4. What is the value of x if (7 - x), (x + 8), and (2x + 3) are consecutive terms of an arithmetic sequence? *


A. -4

B.-6

C.4

D.6

5. The four arithmetic means between 6 and 21 are ___, ___, ___, ____. *


A 9, 12, 15,18.

B. 8,12,18,20

C.8,9,11,13

D. 9,11,15,17

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