Matching Pairs Lesson 22 VocabularyOnline version Match the vocabulary term, definition, and example. by Tracy Harrison 1 Variable: A letter that represents an unknown number. In some cases, a variable may represent more than one number. 2 Independent Variable: A variable whose value is used to find the value of another variable. An independent variable determines the value of a dependent variable. 3 Axis: A horizontal or vertical number line that determines a coordinate plane. The plural form is axes. 4 Ordered Pair: A pair of numbers, (x, y), that describes the location of a point in the coordinate plane. The x-coordinate gives the point’s horizontal distance from the y-axis, and the y-coordinate gives the point’s vertical distance from the x-axis. 5 Increase 6 Dependent Variable: A variable whose value depends on the value of a related independent variable. 7 Decrease 8 Depend on 9 Rate: A ratio tells the number of units of one quantity for 1 unit of another quantity. Rates are often expressed using the word per. To be determined by something. To become smaller in size or lesser in value. To become larger in size or greater in value.
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