Complete the crossword puzzle using the vocabulary list at the beginning of the chapter.
Across 2. the horizontal line on a coordinate plane 3. used to locate a point on the coordinate plane 6. the cost per unit 8. a comparison of two quantities by division 9. to place a dot at the point named by an ordered pair 11. the second number of an ordered pair
Down 1. the vertical line on a coordinate plane 2. the first number of an ordered pair 4. a ratio comparing two quantities with different kinds of units 5. multiply or divide two quantities by the same number 6. a rate simplified so that it has a denominator of 1 7. columns filled with pairs of numbers that have the same ratio 10. (0, 0)