Basic Algebraic Vocabulary

Consists of numbers or variables and at least one operation.

• Inequality

• Expression

• Equation

An example of an expression is:

• 2x - 4 = 12

• n - 4

• x > 7

Consists of two expressions that are not equal (many symbols).

• Inequality

• Variable

• Evaluate

Define variable.

• a value that does not change

• to work out an answer

• an unknown value

What is the problem below called?

• Algebraic Equation

• Variable

• Algebraic Expression

• Constant

What is the problem above called?

• Coefficient

• Variable

• Algebraic Expression

• Constant

A value that does not change is called a

• constant

• variable

• equation

Define value:

• Consists of two expressions that are equal.

• A number such as the result of a previous calculation or the number assigned to a variable or constant.

• The rules that say which calculation comes first in an expression.

An example of an inequality is:

• b - 4 = 2

• 2n + 4

• 4r - 6 > 24

Define equation.

• Consists of two expressions that are equal (one symbol).

• a value that does not change

• calculate the value of an expression