Sequences & Series – Quiz 1



Sequences & Series – Quiz 1.0

For this quiz, assume n = 1, 2, 3, …

1. For each sequence indicate (A) arithmetic (B) geometric or (C) neither.

(a) [pic] (b) [pic] (c) [pic] (d) [pic] (e)[pic]

(f) [pic] (g) [pic] (h) [pic] (i) [pic] (j) [pic]

2. For each arithmetic or geometric sequence, write the equation for the nth term (tn = ?) and the next two terms.

(a) -1, 2, 5, ? , ? (f) -2, 6, -18, ? , ?

(b) [pic] ? , ? (g) [pic] ? , ?

(c) [pic] ? , ? (h) [pic] ? , ?

(d) [pic] ? , ? (i) [pic] ? , ?

(e) [pic], ? , ? (j) [pic]? , ?

3. Fill in the blanks with the appropriate arithmetic means.

(a) 3, __ , __ , 15 (c) -5, __ , __ , 31

(b) -4, __ , __ , __ , 20 (d) 6, __ , __ , __ , 18

4. Fill in the blanks with the appropriate geometric means.

(a) 2, __ , __ , 54 (c) 5, __ , __ , 40

(b) 48, __ , __ , __ , 3 (d) 162, __ , __ , __ , 2

5. Summation Notation – Find the sum.

(a) [pic] (d) [pic]

(b) [pic] (e) [pic]

(c) [pic] (f) [pic]

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