12 terms

solution

A value for the variable that makes an equation true.

inverse operations

Operations that undo each other, such as addition and subtraction.

equivalent equations

Two or more equations with the same solution.

two-step equation

An equation that contains two operations.

null/empty set

A set with no elements.

identity

An equation that is true for any value of the variable.

inequality

A mathematical sentence that contains an inequality symbol.

equation

A mathematical sentence that contains an equal sign.

reciprocal

The multiplicative inverse of a number.

distributive property

To multiply a sum by a number, multiply each addend by the number outside the parentheses. a(b+c)=ab+ac

dependent variable

The variable in a relation with a value that depends on the value of the independent variable. (y)

independent variable

The variable in a function that is subject to change. (x)