Oklahoma Academic Vocabulary 8th Grade
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26 terms
Terms | Definitions |
|---|---|
 adjacent angles | Angles that have a common side and a common vertex (corner point). |
| coefficient | A number multiplied by a variable in an algebraic expression. |
| constant | Numeric value that does not change |
| distance formula | D=RT D=distance R=rate T=time |
| domain | the set of first coordinates of the ordered pairs of a relation. |
| formula | An equation that states a rule for the relationship between certain quantities |
| hypotenuse | the longest side of a right triangle |
| lateral area | The sum of all the areas of the faces of a 3D solid except the bases |
| legs of a triangle | The two sides that form the right angle |
| linear equation | an equation whose graph is a straight line |
| linear inequality | a mathematical sentence using >, <, ≥, or ≤ whose graph is a region with a straight-line boundary |
| Pythagorean Theorem | a² + b² = c² |
| range of a function | the set of all the values of the dependent variable or the y-coordinate |
| rational number | Any number that can be expressed as a ratio of two integers. |
| scatter plot | a graph with points plotted to show a possible relationship between two sets of data. |
| scientific notation | A method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10. |
| slope-intercept form | an equation written in the form y=mx+b is in slope-intercept form. The graph is a line with slope m and y-intercept b. |
| slope | The steepness of a line on a graph, equal to its vertical change divided by its horizontal change. Rise over Run. |
| standard form of a linear equation | Ax+By=C, where A, B, and C are real numbers and A and B are not both zero |
| surface area | The sum of the areas of all of the faces of a three-dimensional figure. |
| term | a number, a variable, or the product of a number and a variable |
| intercepts | the points at which the graph intersects or touches the x or y axis |
| prism | A solid figure that has two congruent, parallel polygons as its bases. Its sides are parallelograms |
| cone | a shape whose base is a circle and whose sides taper up to a point |
| cylinder | a 3-dimensional figure that has 2 congruent circular faces (soup can) |
| pyramid | a solid figure with a polygon base and triangular sides that meet at a single point |
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