Understanding Expressions and Equations

Front

What is the unit of speed when a car travels 150 miles in 3 hours?

Back

Miles per hour

Front

Back

Square meters

Front

Back

Add 4 to both sides

Front

Back

-3

Front

Back

3

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators without an equality sign.

Front

Define a linear equation.

Back

Front

What does the term 'coefficient' refer to in an algebraic expression?

Back

A numerical factor that multiplies a variable.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

How do you isolate a variable in an equation?

Back

By performing inverse operations to both sides of the equation.