Expressions and Equations

Front

What is the inverse operation of subtraction?

Back

Addition

Front

A symbol for an unknown value; usually a letter (such as a, x, or y) is the symbol used.

Back

Variable

Front

When solving n - 14 = 3, what operation would you use to find the answer?

Back

Addition

Front

Two times some number added to eight is represented as:

Back

2x + 8

Front

What is the inverse operation of division?

Back

Multiplication

Front

What is an expression in mathematics?

Back

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

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is a coefficient?

Back

A numerical factor in a term of an algebraic expression.

Front

What is a constant in mathematics?

Back

A fixed value that does not change.