Chapter 3 Vocabulary

3. The first number in an ordered pair; tells the distance to move right or left from (0,0).
6. A plane formed by a horizontal line called the x-axis and a vertical line called the y-axis.
7. The set of whole numbers and their opposites.
9. The distance of an integer from zero on a number line.
10. A figure has ____ ________ if it can be folded about a line so that its two parts match exactly.
11. The second number in an ordered pair; tells the dustance to muve up or down from (0,0)
13. A pair of numbers used to locate a point on a grid.
15. The vertical number line on a coordinate plane.

1. A line that divides a figure into two halves that are reflections of each other.
2. Any integer greater than zero.
4. Any integer less than zero.
5. Two numbers that are the same distance, but in opposite directions, from zero on a number line.
8. The four regions of the coordinate plane separated by the x- and y-axes
12. The point where two axes of a coordinate plane intersect; (0,0)
14. Any number that can be written as a/b where a and b are integers and b does not = 0.
16. The horizontal number line on a coordinate plane.