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8th Grade Math
8th Grade Math Big Vocabulary
| Question | Answer |
|---|---|
| Absolute Value | a numbers distance from zero |
| Bivariate Data | In statistics, data that has two variables |
| Equivalent Expression | two or more expressions that have the same values for all values of the variables |
| Irrational Number | a number that cannot be expressed as a ratio of two integers or as a repeating or terminating decimal |
| Line of Best Fit | a straight line that comes closest to the points on a scatter plot |
| Perfect Square | a number that has integers as its square roots |
| Real Number | a rational or irrational number |
| Scatter Plot | A graph with points plotted to show a possible relationship between two sets of data |
| Scientific Notation | A method of writing very large or very small numbers by using powers of 10 |
| Square Root | a number that is multiplied by itself to form a product |
| Diameter | a line segment that passes through the center of a circle and has endpoints on the circle, or the length of that segment |
| Hypotenuse | In a right triangle, the side opposite the right angle |
| Parallel Lines | Lines in a plane that do not intersect |
| Pythagorean Theorem | in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the legs |
| Scale Factor | a ratio used to enlarge or reduce similar figures |
| Similar | figures with the same shape but not necessarily the same size |
| Transformation | a change in the size or position of a figure |
| Transversal | a line that intersects two or more lines |
| Triangle Sum Theorem | The theorem that states that the measures of the angles in a triangle add up to 180 degrees |
| Volume | The number of cubic units needed to fill a given space |
| Domain of a Function | the set of all possible input values of a function |
| Function | an input-output relationship that has exactly one output for each input |
| Like Term | two or more terms that have the same variables raised to the same power |
| Linear Equation | An equation whose solutions form a straight line on a coordinate plane |
| Linear Function | A function whose graph is a straight line |
| Range of a Function | the set of all output values of a function |
| Rate of Change | a ratio that compares the amount of change in a dependent variable to the amount of change in an independent variable |
| Simplify | to perform all possible operations, including combining like terms; to write a fraction or expression in simplest terms |
| Slope | a measure of the steepness of a ling on a graph; the rise divided by the run |
| Term | the parts of an expression that are added or subtracted |
Created by:
SSC 8th LA
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