Study Guides

1.
Evaluating Algebraic Expressions Help
The Basic Concepts of Expression and Equations In algebra, letters are used as variables. A variable can assume values of numbers. Numbers are called constants . Math Note: ...
Source: McGrawHill Professional 
2.
The Distributive Property Help
The Distributive Property An important property that is often used in algebra is called the distributive property : For any numbers a, b, and c, a(b + c) = ab + ...
Source: McGrawHill Professional 
3.
Combining Like Terms Help
Combining Like Terms Like terms have the same variables and the same exponents of the variables. For example, 3x and –5x are like terms because they have the same variables, whereas 5x and –8y are unlike ...
Source: McGrawHill Professional 
4.
PreAlgebra: Combining Like Terms Practice Problems
Combining Like Terms Practice Problems Set 1: Combing Like Terms To review the concept of combining like terms, go to Combining Like Terms Help
Source: McGrawHill Professional 
5.
Formulas Help
Formulas In mathematics and science, many problems can be solved using formulas . A formula is a mathematical statement of a relationship of two or more variables. For example, the relationship between Fahrenheit ...
Source: McGrawHill Professional 
6.
Solving Simple Equations Help
Solving Simple Equations An equation is a statement of equality of two algebraic expressions: e.g., 3 + 2 = 5 is an equation. An equation can contain one or more variables: e.g., x + 7 = 10 is an equation with one variable, x. ...
Source: McGrawHill Professional 
7.
Solving Equations Practice Problems
Solving Equations Practice Problems Set 1: Solving Simple Equations To review the concept of solving linear equations, go to Solving Simple Equations Help
Source: McGrawHill Professional 
8.
Solving Difficult Equations Help
Solving Difficult Equations When an equation has like terms on the same side, these terms can be combined first. Examples Example 1
Source: McGrawHill Professional 
9.
Algebraic Representation of Statements Help
Algebraic Representation of Statements In order to solve word problems in algebra, it is necessary to translate the verbal statements into algebraic expressions. An unknown can be designated by a variable, usually x. For example, the statement ...
Source: McGrawHill Professional 
10.
Equations in Word Problems Help
Equations in Word Problems Equations can be used to solve word problems in algebra. After reading the problem: Step 1 Represent one of the unknown quantities as x and ...
Source: McGrawHill Professional