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Across 3. used to analyze data 6. another type of open sentence 11. numbers below zero 13. indicates both speed & direction 15. a negative, zero or a positive whole number 18. two points that are the same distance from the origin but on the opposite side of the origin 19. a rectangular arrangement of numbers on a horizontal line 20. each number in the matrix 21. a point labled zero

Down 1. the point that corresponds to a number 2. another name for a number 4. the distace a number is from zero 5. numbers above zero 7. an equation that is always true 8. any number in the math book 9. horizontal line on a graph 10. the property shown when you multiply a number by zero 12. a letter that represents a number 14. when you draw a point of the graph 16. the vertical line on a graph 17. collection of all input values