1.2: Algebraic Expressions

Question 1

Variable

Answer 1

is a symbol, usually a letter, that represents on or more numbers.

Question 2

Algebraic Expression or Variable expression

Answer 2

Expression that contains one or more variables.

Question 3

Evaluate

Answer 3

Substitute numbers for variables in an expression and follow the order of operations.

Question 4

Term

Answer 4

A number, a variable, or the product of a number and one or more variables.

Question 5

Coefficient

Answer 5

Think of an expression such as a-2 as the sum a+(-2b) to determine that the coefficient of b is -2