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Across 2. The verticle number line 4. The input values of a function 6. A nonnegative number multiplied by itself 8. The result obtained after multiplying two or more numbers. 9. A flat surface which extends to infinity 11. The number above the bar of a fraction 14. A mathematical symbol which compares two quantities 15. The horizontal and vertical line in a plane 16. Another term for exponent 18. A quantity which is to be divided by another quantity 19. Any positive number or zero 21. An algebraic expression containing one term 22. A polynomial written as a product of other polynomials 25. Number of times a number is to be multiplied by itself 28. A number that can be expressed as a ratio 31. Hierarchical structure used to represent the prime factors of a number 33. The point of intersection of the x and y axis 34. A polynomial with three terms 35. A number that can not be expressed as a ratio 36. A line which shows a set of numbers 39. A diagram which measures along an X and Y axis 40. A precise location on a plane 41. A collection of facts 43. (x,y) 46. The symbol used to represent a square root 47. A number whose only factors are one and itself 48. All rational and irrational numbers 49. A statment where two expressions are equal 50. The horizantal number line

Down 1. A relation between one domain and one range 3. A branch of mathematics that represents numbers through variables 5. The sum or difference of two or more monomials 7. The distance a number is from zero on a number line 9. A symmetrical open plane curve 10. A combination of numbers, operations, and variables 12. A fixed value in an equation 13. The number below the bar of a fraction 17. A line which deviates from being straight 20. Any whole number 23. A mathematical process used to solve a problem 24. The Intersectionf of a horizontal and vertical number line 26. The point in whihc two lines cross or meet 27. A number which has an exponent 29. An algabraic expression containing two terms 30. A letter which assumes a given value 32. A line traveling in a constant direction 37. A mathematical phrase which combines numbers and variables 38. A set of variables or constants arranged in rows and columns 42. Any positive or negative number 44. A set of input and output values 45. The output values of a function