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Across 2. the number by which a variable is multiplied 7. mathematical expression containing a variable ex. 4x-3 11. the horizontal number line on a coordinate grid 15. a two dimensional surface on which a coordinate system has been set up 16. The state of being equal. Having the same amount or value. 17. data that can be counted 18. to determine whether something is true or not 19. a mathematical statement that two expressions are equal 20. the numbers in an ordered pair that locate a point on a grid

Down 1. the property stating that a product can be written as a sum or difference of two products 3. the letter or symbol representing a quantity that can vary 4. another name for a coordinate grid 5. a list of numbers that are used to substitute one variable to find the value of the second number 6. the vertical number line on a coordinate grid 8. a rule that associates two terms 9. the horizontal number line on a coordinate grid 10. a relation that has a straight line graph 12. two numbers in order on a coordinate grid 13. the vertical number line on a coordinate grid 14. two opposite numbers whose sum is equal to zero