# Math A30

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## Across

2. eliminating the radical from the denominaotr

4. a selection of objects without a regard to the order in which they are selected

7. the line that splts a parabola into two matching halves

10. formula y=mx+b

11. revolving ray of an angle

15. combination of rationals and irrationals

17. horizontal component of slope

19. the number of quantity by which another number is divided

21. steepness of a line

22. a theorem that states if a polynomial p(x) is divided by a binomial (x-a), the remainder obtained is p(a)

23. an integer larger than 1 whos eonly divisors are 1 and itself

24. a function which pairs more than one x value with the same y value

27. a sample is not representative of the population

28. a function of the form f(g(x))

29. the number of quantity that is to be divided by another

30. a small group of items

31. the ratio of the opposite side and the adjacent side

32. formual used when the coordinates of a point and the slope are known

34. distribution of scores from lowest to highest

38. {..., -2, -1, 0, 1, 2, ...}

39. (n - 1)! - a formula for this type of permutation

40. function in the form y = ax^2 + bx + c

42. a method in which a value is replaced by some other value

45. a large group of items

47. {0, 1, 2, 3, ...}

48. angle formed when the line of sight is above the horizontal

50. an angle is said to be in this position with the vertex at the origin and the initial side conciding with the x-axis

53. the name of the symbol used to indicate whether we are working with a square root, a cube root, etc.

54. an equation in which a variable occurs in one or more of the radicands

59. a factor shared by each of the terms of a polynomial

61. a linear system that has no points in common

62. a system of linear equations having exaclty one solution

63. angles sharing the same terminal side

65. a ratio of two polynomials

66. the shape of a quadratic function

67. the number of quantity resulting from the division of one number of quantity by another

## Down

1. a descriptor of a parabola that opens down

3. a functioon in which each x value is paired with a different y value

5. an angle with the terminal side along a coordinate axis

6. the value under the radical sign

8. the positive acute angle formed by the terminal side of an angle and the x-axis

9. in the form ax + by = c

10. a pair of linear equations

12. the principle that states if ab = 0 then a = 0 or b = 0

13. an angle with a counterclockwise rotation

14. an angle with a rclockwise rotation

15. writing a rational expression so that the numerator and denominator have no factors in common

16. the middle number in the set of the data

17. values of the variable that cause any factor in the denominator to be zero.

18. changing a quadratic function from general form into vertex-graphing form

20. a summary of 5 x 4 x 3 x 2 x 1

24. the most frequently occurring score(s0

25. one of the four regions of a coordinate plane

26. a sample obtained by dividing the population into groups

28. a descriptor of a parabola that opens up

29. angle formed when the line of sight is below the horizontal

30. an "artifical" means of division

33. an arrangement of things in a definite order

35. a theorem that states if p(a) = 0, then (x-a) is a factor of p(x)

36. highest or lowest poin ton a parabola

37. a method that relies on the addition/subtraction property of equality

41. a sample in which each item in the population is equally likely to be selected

43. stationary side of the angle

44. a linear system in which lines concide

46. ratio of the adjacent side and the hypotenuse

49. a number's distance from zero on the number line.

51. all the x-values that are found in the ordered pairs of a graph

52. ratio of the opposite side and the hypotenuse

54. numbers that can be written as a ratio of two integers

55. a relationship that exists when two quantities that are related to each order in such a way that their product is a constant

56. the average of the data

57. a statement of equality that describes how each x and y coordinate of every point on a line is related to one another

58. vertical component of slope

60. {1, 2, 3, 4, ...}

64. a figure formed by two rays sharing a common endpoint

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