INSTRUCTORSCarleen EatonGrant Fraser

 1 answerLast reply by: Dr Carleen EatonThu Dec 27, 2012 12:21 AMPost by Mary Galanopoulos on December 26, 2012Would you put parenthesis around the m and n? 1 answerLast reply by: Dr Carleen EatonWed Jan 9, 2013 2:17 AMPost by Leilani Greenwood on January 5 at 08:04:21 AMWill there be any practice problems? 1 answerLast reply by: Dr Carleen EatonMon May 13, 2013 12:19 AMPost by Shoshana C on May 11 at 09:15:56 AMHow do you know that m and n are equal?

### Variables and Expressions

• A variable is used to represent an unknown number or value.

• An algebraic expression combines numbers and variables with arithmetic operations.

• Review these terms: product, factor, power, base, exponent

• Practice translating verbal expressions into algebraic expressions. This is an essential skill you will need to solve word problems throughout this course.

• Evaluating an expression means to find the value of the expression.

## Variables and Expressions

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.