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Across 2. a horizontal line. 4. (y = mx + b) 5. the average of the middle two in a set with an even number of values 8. When a line goes up and to the right. 9. a mathematical relation such that each element of a given set (the domain of the function 11. (y = a + bx) 14. is the point at which the line crosses the y axis. 15. number that occurs most often. 19. is the point at which the line crosses the x axis. 20. a proportion in relation to a whole (which is usually the amount per hundred) 22. The speed at which a variable changes over a specific period of time. 23. when a line goes down to the left.

Down 1. a sequence, such as the positive odd integers in which each term after the first is formed by adding a constant to the preceding term. 3. a vertical line. 6. a mathematical statement that two expressions are equal. 7. average. 10. a relation between mathematical expressions (such as equality or inequality) 12. magnitude of a number or other mathematical expression disregarding its sign. 13. statement that a mathematical expression is less than or greater than some other expression. 16. one quantity compared to another. 17. The difference between the greatest data value and the least data value. 18. Any sequence of numbers that may be modeled by a mathematical function 21. a specific kind of ratio, in which two measurements are related to each other.