epdf.pub_cbest-cliffs-test-prep13a9b242c7cb4125e6cca92d00a73d5a41681

Part II: Analysis of Exam Areas
Use the following excerpt from a table of contents to answer the three
questions that follow.
PRE-ALGEBRA
PRELIMINARIES AND BASIC OPERATIONS. . . . . . . . . . . . . . . . . . . 3
Preliminaries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Groups of numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Ways to show multiplication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Common math symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Properties of Basic Mathematical Operations . . . . . . . . . . . . . . . . . . . 5
Some properties (axioms) of addition . . . . . . . . . . . . . . . . . . . . . . . 5
Some properties (axioms) of multiplication. . . . . . . . . . . . . . . . . . . 6
A property of two operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Multiplying and Dividing Using Zero . . . . . . . . . . . . . . . . . . . . . . . . . 8
Powers and Exponents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Squares and cubes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Operations with powers and exponents . . . . . . . . . . . . . . . . . . . . . 10
Square Roots and Cube Roots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Square roots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Cube roots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Approximating square roots. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Simplifying square roots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Grouping Symbols: Parentheses, Brackets, Braces . . . . . . . . . . . . . . 15
Parentheses ( ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Brackets [ ] and braces { } . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Order of operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Divisibility Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Know Where to Find a Specific Kind of Information
Sample
30. On which page should one look to find which operation should be performed
first, multiplication or addition?
34
A. 4
B. 8
C. 10
D. 14
E. 16