Chapter 1 Vocab

3. Having a constant ratio or unit rate.
4. A plane in which a horizontal number line and a vertical number line intersect at their zero points. Also called a coordinate grid.
9. The process of including units of measure as factors when you compute.
11. When a rate is simplified so that it has a denominator of 1 unit.
12. A rate that describes how one quantity changes in relation to another.
14. The second number of an ordered pair.
16. The horizontal number line in a coordinate plane.
17. Two ratios that have the same value.
18. An equation stating that two ratios or rates are equivalent.
19. The first number of an ordered pair.
20. A constant ratio or unit rate of two variable quantities.
22. The rate of change between any two points on a line.

1. The product of the numerator of one ratio and the denominator of the other ratio.
2. Fractions with a numerator, denominator, or both that are also fractions.
5. The constant ratio in a direct variation.
6. One of the four regions into which the two perpendicular number lines of the coordinate plane seperate the plane.
7. The vertical number line in a coordinate plane.
8. The relationship between two variable quantities that have a constant ratio.
10. The relationship between two ratios with a rate or ratio that is not constant.
13. The rate of change in a linear relationship.
15. A ratio that compares two quantities with different kinds of units.
21. The point at which the x-axis and the y-axis intersect in a coordinate plane.