Unit 3 Vocabulary

5. parallel to the plane of the horizon
6. The vertical axis on a coordinate plane.
9. The numbers of an ordered pair that locate a point on a coordinate plane.
10. The horizontal axis on a coordinate plane.
13. A pair of numbers that can be used to locate a point on a coordinate plane.
14. A transformation of a figure that flips the figure across a line.
15. number A number greater than zero.
17. An exact location that has no size.
18. A number that can be written in the form a/b, where a and b are integers and b = 0.
19. A number less than zero.

1. Two numbers that are equal distance from zero on a number line.
2. A line the is perpendicular to the horizon
3. The two perpendicular lines of a coordinate plane that intersect at the origin.
4. A plane formed by the intersection of a horizontal line called the x-axis and a vertical line called the y-axis.
6. The second number in an ordered pair; tells the distance to move up or down from the origin, (0,0).
7. The x- and y- axes divide the coordinate plane into four regions. Each called a quadrant.
8. The distance a number is from zero on the number line.
11. A member of the set of whole numbers and their opposites.
12. The first number in an ordered pair;it tells the distance to move right or left from the origin, (0,0).
16. The point where the x-axis and y-axis intersect on the coordinate plane.