Key Terms Algebraic Expressions

Identify the constant of the algebraic expression:

• 3

• x

• 5

• 3x and 5

What are the variables of  
7x + 6y - 9

• 6,7

• 9

• 6y, 7x

• x, y

How is the number 9 best described in the expression
9m + 3n + 4

• coefficient

• variable

• constant

• term

What is the difference between a numeric expression and an algebraic expression?

• An algebraic expression only has numbers.

• A numeric expression cannot be solved.

• An algebraic expression has variables and a numeric expression does not.

• A numeric expression has variables and an algebraic expression does not.

an expression that contains numbers, operations, and variables

• numerical expression

• equation

• algebraic expression

An Expression that may contain numbers, operations, and one or more variables

• Like Terms

• Term

• Algebraic Expression

• Variable

• Equivalent Expressions

An algebraic expression is an expression that _______________________.

• contains only numbers

• contains a variables, numbers and at least one operation

• contains only numbers and operations

• contains only addition

What is an Algebraic Expression?

• A mathematical phrase that can contain numbers, variables and operation symbols.

• A sentence that contains at least one of the following <, >, =

• A sentence that includes an equals sign.

• Each part of an expression separated by an operation.

This consists of one or more numbers, variables and operations.

• Numerical Expression

• Algebraic Expression

• Variable

• Equation

This consists of one or more numbers, variables and operations.

• Numerical Expression

• Algebraic Expression

• Variable

• Equation