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Across 2. a polynomial consisting of exactly two terms. 5. a point where a graph intersects the y-axis 8. a number that indicates how many times its base is used as a factor. 9. an equation in which variables are used to describe a relationship among several quantities. 10. a polynomial consisting of exactly one term 11. two inequalities linked by a connective word such as and or or. 15. the vertical number line in a rectangular coordinate system. 16. a set of ordered pairs 17. terms with exactly the same variables raised to exatly the same powers 19. any replacement for the variable that makes the equation true.

Down 1. an inequality that says one number is between two other numbers. 3. a pair of numbers written within parantheses in the form (x, y). 4. An equation that is true for all valid replacements of the variable. It has an infinite number of solutions. 6. the numbers in an ordered pair. 7. a polynomial cosisting of exactly three terms. 11. in an ordered pair (x, y), x and y. 12. the expression that is the repeated factors 13. the horizontal number line in a rectangular coordinate system. 14. refers to the vertical change between two points on a line-that is, the change in y-values. 18. the horizontal change between two points on a line-that is, the change in x-vaules.