Chap 2. Vocab

4. any integer greater than zero
6. the set of whole numbers and their opposites
10. a plane formed by a horizontal line called the x-axis and a vertical line called the y-axis
13. two numbers that are the same distance but in opposite directions from zero on a number line
14. the point where the two axis of a coordinate plane intersect
15. a line that divides a figure into two halves that are reflections of each other
16. any number that can be written as a ratio

1. the first number in an ordered pair; tells the distance to move right or left from zero
2. the horizontal number line on a coordinate plane
3. any integer less than zero
5. a pair of numbers used to locate a point on a grid
7. the four regions of the coordinate plane separated by the x-axis and y-axis
8. the second number in an ordered pair;tells the distance to move up or down from zero
9. a figure has line symmetry if it can be folded about a line so that its two parts match exactly
11. the vertical number line on a coordinate plane
12. the distance of an integer from zero on a number line