College Algebra Tutorial 13
College Algebra
Answer/Discussion to Practice Problems
Tutorial 13: Practice Test on Tutorials 2 - 12
Problems 1a - 1d: Simplify the exponential expression.
1a.
Answer:
![ad1a](col_alg_tut13ad1a.gif)
1b.
Answer:
![ad1b](col_alg_tut13ad1b.gif)
1c.
Answer:
![ad1c](col_alg_tut13ad1c.gif)
1d.
Answer:
![ad1d](col_alg_tut13ad1d.gif)
Problem 2a: Write the number in scientific notation.
2a.
Answer:
![ad2a](col_alg_tut13ad2a.gif)
Problem 3a: Write the number in decimal notation, without
exponents.
3a.
Answer:
![ad3a](col_alg_tut13ad3a.gif)
Problems 4a - 4b: Evaluate.
4a.
Answer:
![ad4a](col_alg_tut13ad4a.gif)
4b.
Answer:
![ad4b](col_alg_tut13ad4b.gif)
Problems 5a - 5b: Simplify.
5a.
Answer:
![ad5a](col_alg_tut13ad5a.gif)
5b.
Answer:
![ad5b](col_alg_tut13ad5b.gif)
Problem 6a: Perform the indicated operation.
6a.
Answer:
![ad6a](col_alg_tut13ad6a.gif)
Problems 7a - 7b: Rationalize the denominator.
7a.
Answer:
![ad7a](col_alg_tut13ad7a.gif)
7b.
Answer:
![ad7b](col_alg_tut13ad7b.gif)
Problems 8a - 8c: Simplify.
8a.
Answer:
![ad8a](col_alg_tut13ad8a.gif)
8b.
Answer:
![ad8b](col_alg_tut13ad8b.gif)
8c.
Answer:
![ad8c](col_alg_tut13ad8c.gif)
Problems 9a - 9c: Perform the indicated operation.
9a.
Answer:
![ad9a](col_alg_tut13ad9a.gif)
9b.
Answer:
![ad9b](col_alg_tut13ad9b.gif)
9c.
Answer:
![ad9c](col_alg_tut13ad9c.gif)
Problems 10a - 10d: Factor completely.
10a.
Answer:
![ad10a](col_alg_tut13ad10a.gif)
10b.
Answer:
![ad10b](col_alg_tut13ad10b.gif)
10c.
Answer:
Prime.
10d.
Answer:
![ad10d](col_alg_tut13ad10d.gif)
Problems 11a - 11c: Perform the indicated operation.
11a.
Answer:
![ad11a](col_alg_tut13ad11a.gif)
11b.
Answer:
![ad11b](col_alg_tut13ad11b.gif)
11c.
Answer:
![ad11c](col_alg_tut13ad11c2.gif)
Problem 12a: Simplify.
12a.
Answer:
![ad12a](col_alg_tut13ad12a.gif)
Problems 13a - 13e: Perform the indicated operation.
Write the answer in standard from.
13a.
Answer:
![ad13a](col_alg_tut13ad13a.gif)
13b.
Answer:
![ad13b](col_alg_tut13ad13b.gif)
13c.
Answer:
![ad13c](col_alg_tut13ad13c.gif)
13d.
Answer:
![ad13d](col_alg_tut13ad13d.gif)
13e.
Answer:
![ad13e](col_alg_tut13ad13e.gif)
Last revised on Dec. 15, 2009 by Kim Seward.
All contents copyright (C) 2002 - 2010, WTAMU and Kim Seward.
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