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Unit 6 vocab
Term | Definition |
---|---|
Equation | A mathematical sentence that uses an equal sign, =, to show that two expressions are equal. |
Solution of an Equation | The value that makes an equation true.6 is the solution of the equation x–4=2. |
Inverse operation | Operations that undo each other, such as addition and subtraction or multiplication and division. |
Inequality | A mathematical sentence that compares expressions; It contains the symbols <, >, <, > |
Graph of an Inequality | A graph that shows all the solutions of an inequality on a number line |
solution of an Inequality | A value that makes an inequalitytrue.A solution of the inequality x + 3 > 9 is x=12. |
Solution set | A set of all solutions of an inequality |
Independent variable | A variable representing the quantity that can change freely in an equation in two variables. In the equation y = 5x-8,x is the independent variable. |
Dependent variable | The variable whose value depends on the independent variable in an equation in two variables.Inthe equationy=5x-8, y is the dependent variable. |
Equation with two variables | two quantities that change in relationship to one another |
Solution of an equation with two variables | an ordered pair that makes the equation true |