Math 8 Chapter 6 Vocabulary

A mathematical sentence with > or <

• equation

• inequality

• less than

• greater than

When there is no answer that makes the equation true

• null set

• infinity

• inequality

• identity

What is an equation?

• a mathematical sentence stating two quantities are equal

• a mathematical sentence with two variables

• PEMDAS

• SADMEP

Which are like terms?

• x and y²

• x² and y²

• x⁴ and x²

• y³ and y³

What is a variable?

• A letter used to represent an unknown number

• A letter that is always constant

• When we take values and stick them in for letters

• A number that always stays the same

The value of the variable that makes the equation true is the

• solution

• null set

• constant

• identity

When every number would make the equation true

• constant

• identity

• inequality

• solution

When we get rid of parentheses in an equation by multiplying

• identity

• distributive property

• solving

• equation

What are simultaneous linear equations?

• a set of two or more linear equations

• an equation that is true for every value

• terms that contain the same variable and exponent

• a mathematical sentence stating that two quantities are equal

A term without a variable

• constant

• variable

• solution

• Identity