Algebra A Flashcards

Front

What is a variable?

Back

A letter that represents an unknown number.

Front

What is a coefficient?

Back

A number multiplied by a variable. Example: in 5x, the coefficient is 5.

Front

What is a constant?

Back

A number by itself with no variable.

Front

What does evaluate mean in math?

Back

To find the value of an expression by substituting numbers.

Front

What is an equation?

Back

A mathematical sentence that shows two things are equal, using an equals sign.

Front

What is a solution?

Back

The value of the variable that makes the equation true.

Front

What is an expression?

Back

A combination of numbers, variables, and operations with no equal sign.

Front

What is an inverse operation?

Back

An operation that undoes another (addition ↔ subtraction, multiplication ↔ division).

Front

What is the distributive property?

Back

Multiplying a number by a sum or difference. Example: a(b + c) = ab + ac.

Front

What is the identity property of addition?

Back

Adding 0 to any number gives the same number.