Ch 2 Quiz
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Created by:
beccachecka on October 27, 2009
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12 terms
Terms | Definitions |
|---|---|
 number line | a line with equal distance marked off to represent numbers |
| negative numbers | numbers less than zero |
| graph | to plot points on a number line |
| coordinate | a number that coorespondes to a point on a number line |
| coordinate system | a grid formed by 2 number lines that meet at their zero points |
| origin | the point that intersects |
| x-axis | the horizontal number line |
| x-coordinate | the first number in an ordered pair |
| y-axis | the vertical number line |
| y-coordinate | the second number in an ordered pair |
| coordinate plane | th plane containing the x- and y-axes |
| Opposites/Additive Inverses | 2 numbers whose sum equals zeros |
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