Multiple Choice Identify the
choice that best completes the statement or answers the question.
|
|
1.
|
Write the first five terms of the sequence. (Assume
that n begins with 1.)
![mc001-1.jpg](chapter_9_pre_test_files/mc001-1.jpg)
a. | 1, –14, –21, –28,
–35 | b. | 1, –6, –13, –20,
–27 | c. | 1, 9, 17, 25, 33 | d. | 8, 1, –6, –13, –20 | e. | –15, –22, –36, –36,
–43 |
|
|
2.
|
Find the sum.
![mc002-1.jpg](chapter_9_pre_test_files/mc002-1.jpg)
|
|
3.
|
Determine whether the sequence is arithmetic. If
so, find the common difference. 8, 13, 18, 23,
28
a. | –5 | b. | 3 | c. | not
arithmetic | d. | 8 | e. | 5 |
|
|
4.
|
Determine whether the sequence is arithmetic. If
so, find the common difference. (Assume that n begins with 1.)
![mc004-1.jpg](chapter_9_pre_test_files/mc004-1.jpg)
a. | 1 | b. | –1 | c. | 6 | d. | not
arithmetic | e. | –6 |
|
|
5.
|
Find a formula for an for the
arithmetic sequence.
![mc005-1.jpg](chapter_9_pre_test_files/mc005-1.jpg)
|
|
6.
|
Write the first five terms of the arithmetic
sequence.
![mc006-1.jpg](chapter_9_pre_test_files/mc006-1.jpg)
a. | 7, 10, 13, 16, 19 | b. | 4, 7, 11, 15, 19 | c. | 4, 1, –2,
–5, –8 | d. | 4, 12, 36, 108,
324 | e. | 4, 7, 10, 13, 16 |
|
|
7.
|
Write the nth term of the arithmetic
sequence as a function of n.
![mc007-1.jpg](chapter_9_pre_test_files/mc007-1.jpg)
|
|
8.
|
Find the indicated nth partial sum of the
arithmetic sequence. 1.9, 4.8, 7.7, 10.6, ....,
n=20
a. | 588 | b. | 590 | c. | 589 | d. | 419 | e. | 647 |
|
|
9.
|
Write the first five terms of the geometric
sequence.
![mc009-1.jpg](chapter_9_pre_test_files/mc009-1.jpg)
a. | ![mc009-2.jpg](chapter_9_pre_test_files/mc009-2.jpg) | b. | ![mc009-3.jpg](chapter_9_pre_test_files/mc009-3.jpg) | c. | –3, 12, –48, 192, –768 | d. | –3, –7, –11, –15, –19
| e. | ![mc009-4.jpg](chapter_9_pre_test_files/mc009-4.jpg) |
|
|
10.
|
Write the nth term of the geometric sequence
as a function of n.
![mc010-1.jpg](chapter_9_pre_test_files/mc010-1.jpg)
|
|
11.
|
Match the geometric sequence with its graph from
the choices below.
![mc011-1.jpg](chapter_9_pre_test_files/mc011-1.jpg)
|
|
12.
|
Find the sum using the formulas for the sums of
powers of integers.
![mc012-1.jpg](chapter_9_pre_test_files/mc012-1.jpg)
a. | –1482 | b. | –494 | c. | –374 | d. | –120 | e. | 78 |
|
|
13.
|
Find a quadratic model for the sequence with the
indicated terms.
![mc013-1.jpg](chapter_9_pre_test_files/mc013-1.jpg)
|
|
14.
|
Use the Binomial Theorem to expand and simplify the
expression.
![mc014-1.jpg](chapter_9_pre_test_files/mc014-1.jpg)
|
|
15.
|
Use the Binomial Theorem to expand the complex
number. Simplify your result.
![mc015-1.jpg](chapter_9_pre_test_files/mc015-1.jpg)
|
|
16.
|
|
|
17.
|
Nine weightlifters are competing in the dead-lift
competition. In how many ways can the weightlifters finish first, second, and third (no
ties)?
|
|
18.
|
Find the number of diagonals of a nonagon (9
sides). (A line segment connecting any two nonadjacent vertices is called a diagonal of the
polygon.)
|
|
19.
|
Solve for n.
![mc019-1.jpg](chapter_9_pre_test_files/mc019-1.jpg)
|
|
20.
|
You are given the probability that an event will
not happen. Find the probability that the event will happen.
![mc020-1.jpg](chapter_9_pre_test_files/mc020-1.jpg)
|