| A | B |
|---|
| parallel lines | two lines in the same plane that never intersect |
| perpendicular lines | lines that intersect to form right angles |
| negative reciprocal | a number of the form -b/a, where a/b is a nonzero rational number |
| absolute value equation | equations whose graph forms a V that opens up or down |
| translation | shifts a graph horizontally, vertically, or both |
| distributive property | a(b + c) = ab + ac |
| term | a number, variable or the product or quotient of a number and one or more variables |
| constant | a term that has no variable factor |
| coefficient | the numberical factor when a term has a variable |
| like terms | terms with exactly the same variable factors in a variable expression |
| deductive reasoning | a process of reasoning logically from given facts to a conclusion |
| coordinate plane | a plane formed by two number lines that intersect at right angles |
| x-axis | the horizontal axis of the coordinate plane |
| y-axis | the vertical axis of the coordinate plane |
| origin | the point at which the axes of the coordinate plane intersect |
| quadrants | the four parts into which the coordinate plane is divided by its axes |
| ordered pair | two numbers that identify the location of a point |
| coordinates | the numbers that make an ordered pair and identify the location of a point |
| x-coordinate | the location on the x-axis of a point in the coordinate plane |
| y-coordinate | the location on the y-axis of a point int the coordinate plane |
| scatter plot | a graph that relates data of two different sets |
| positive correlation | the relationship between two sets of data in which both sets of data increase together |
| negative correlation | the relationship between two sets of data where one set decreases as the other set of data increases |
| no correlation | there does not appear to be a relationship between two sets of data |
| trend line | a line on a scatter plot drawn near the points; it shows a correlation |
