| | adjacent angles | are angles that have a common ray coming out of the vertex going between two other rays, with no overlap of the regions | 
| coefficient | a constant number that serves as a measure of some property or characteristic | 
| constant | invariable; repeating; continually occurring; persistent | 
| distance formula | algebraic expression that gives the distance between two points in a particular coordinate system in a particular number of dimensions | 
| domain | field; territory over which rule or control is exercised;  networked computers that share a common address | 
| formula | plan; directions for making something; a group of symbols that make a mathematical statement | 
| hypotenuse | the side of a right triangle opposite the right angle | 
| lateral area | the sum of the areas of the lateral (vertical) faces of a cylinder, cone, frustum, or the like | 
| linear equation | a polynomial equation of the first degree | 
| linear inequality | an inequality which involves a linear function. | 
| Pythagorean theorem | a relation in Euclidean geometry among the three sides of a right triangle, it states that the square of the hypotenuse is equal to the sum of the squares of the other two sides | 
| range of a function | the set of values of the dependent variable for which a function is defined | 
| scatter plot | a type of display using Cartesian coordinates to display values for two variables for a set 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 | be at an angle; incline; gradient | 
| slope-intercept form | the equation of a straight line in the form y = mx   b where m is the slope of the line and b is its y-intercept | 
| solids | geometric figure having three dimensions | 
| surface area | the extent of a 2-dimensional surface enclosed within a boundary | 
| term | limited period of time; point in time at which something ends; termination; deadline | 
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