# the point 12,9 is included in a direct variation. what is the constant of variation

49,964 results
1. ## Algebra

Is the relationship between the variables inthe table a direct variation, an inverse variation, both, or neither? If it is a direct or inverse variation write a function to model it x: 2, 5, 12, 20 y: 30, 12, 5, 3 A. Direct variation: y = 15x B. Inverse

2. ## Algebra 2

Is the relationship between the variables in the table a direct variation, an inverse variation, both, or neither? if it is a direct or inverse variation, write a function to model it. x 2 5 15 20 y 20 15 2 2 a. inverse variation;y=10/x b. neither c.

3. ## Math

Do the data in the table represent a direct variation or an inverse variation? Write an equation to model the data in the table. x 1 3 5 10 y 4 12 20 40 a. direct variation; y=4x b. direct variation; xy=1/4 c. inverse variation; xy=4 d. inverse variation;

4. ## Algebra2

Does the relation in the table represent direct variation inverse variation or neither? If it is a direct or inverse variation, write an equation to represent the relation. (x,y) (5,2) (10,1) (15,2/3) (20,1/2)

5. ## Algebra worksheet

Hello. My algebra teacher gave me this worksheet last week and everyone had to bring it yesterday and I haven't done it yet. Can someone please help me. He said Friday is the last day or he's going to take away some points. I've been having trouble with

6. ## math

Is the relationship between the variables in the table direct variation, inverse variation, both, or neither? If it is a direct or inverse variation, write a function to follow it. X:2 5 20 40 Y:40 20 5 2 ANSWERS AVAILABLE TO CHOSE: A) NEITHER B) INVERSE

7. ## Math- steve or ms. sue

does the data in the table represent a direct variation or an inverse variation? x 2 4 8 12 y 4 2 1 2/3 Choices: inverse variation; xy = 8 direct variation; y = 8x inverse variation;y/x = 8 *direct variation; y = 8/x Thank You.

8. ## Algebra

Does the data in the table represent a direct variation or an inverse variation? x 1 3 4 7 y 5 15 20 35 A) DV; y=1/5x B) IV; xy=5 C) DV; y=5x D) IV; xy=1/5

9. ## Algebra 1

Does the data in the table represent a direct or inverse variation? Write an equation that models the data in the table. X | 1 | 3 | 5 | 10 Y | 4 | 12| 20| 40 A) direct variation y=4x B) direct variation y=1/4x C) inverse variation xy=4 D) inverse

10. ## algebra

find the variation constant and an equation of variation where y varies directly as x and y=35 when x=5 the variation constant is k=

11. ## math

Which equation is NOT an example of a direct variation? a. y = x b. 4x + 3y = 0 c. y = 5/4 x d. 2x + 6y = 0 Direct variation is y = kx The only one that can't be changed to become this is d. Is that correct?

12. ## Algebra 1

the point 12,9 is included in a direct variation. what is the constant of variation

13. ## Algebra

I am totally stuck on this question, can some one help? Come up with and describe two scenarios: one that models a direct variation situation and one that models an inverse variation situation. Do not state explicitly which scenario is which, but provide

14. ## Algebra 1: 8th Grade

Explain why the graph of an equation in the form y=kx always goes through the origin. Give an example of a graph that shows direct variation and one that does not show direct variation. I don't really get the question.

15. ## Math

Does the relation in the table represent direct variation, inverse variation, or neither? If it is direct or inverse variation, write an equation to represent the relation. Explain your answer. x; 5,10,15,20 y; 2,1 ,2/3,1/2 Can someone please help me with

16. ## Algebra2

Does the relation in the table represent direct variation, inverse variation, or neither? if it is direct or inverse variation, write an equation to represent the situation. Explain your answer x 5, 10, 15, 20 Y 2, 1, 2/3, 1/2

17. ## Math

Does the equation represent a direct variation? If so, find the constant of variation. 5x = -3y A. yes; k = 5/3 B. yes; k = -5/3 C. yes; k = 3/5 D. no

18. ## algebra

is 5y=x direct variation, inverse variation or neither?

19. ## Algebra 1

Does the following equation represent a direct variation? If so, what is the constant of variation, k? 2y = -6x A. Yes, k = -3 ~~~ B. Yes, k = -6 C. Yes, k = -⅓ D. It is not a direct variation My answer is A. Am I right?

20. ## Algebra

Write an equation of the direct variation that includes the point (–3, –9). Direct variation can be expressed with this equation: y = kx Using your point, let's find k. -9 = -3k 3 = k Equation: y = 3x Thanks it makes sense

21. ## algebra

Does the equation 7x-4y=0 represent a direct variation? If so, find the constant of variation. A) yes; k= 7/4 B) yes, k=-4 C) No ( i think c) D) yes; k=-7/4

22. ## algebra

Come up with and describe two scenarios: one that models a direct variation situation and one that models an inverse variation situation. Do not state explicitly which scenario is which, but provide at least four data pairs for each situation. Your

23. ## Algebra 2

Find an equation of variation in which y varies inversely as x and the following is true: y=31, when x=4 Originally, I mixed up the equations of inverse and direct variation, and got 31=m(4) ----- b Obviously, I got it wrong, but I've gone ahead and redid

24. ## algebra

Tell whether equation represents direct variation. If so, identify the constant of variation 1. Y=8x Ans: yes, it represents direct variation because its in the form Y=kx. Constant of variation: 8 2. Y=2x+1 3. 3x+y=6 Please help, not too sure if I am

25. ## algebra 1

does 4x+5y=0 represent a direct variation? if so, find the constant of variation. complete the steps to solve 4x+5y=0 for y.

26. ## math

Which of the following is the equation of a direct variation that has a constant of variation equal to -? y = x - -y = x y = -2x y = -x

27. ## algebra

Find the variation constaant and an equation of variation where Y varies directly as X and Y = 72 hen X = 8 The variation constant is K = ? The equation of variation is Y = ? I think that K = 9 but not sure I don't have a clue about the rest.

28. ## Math

how do you find the constant of variation k for the direct variation? for example, 4x + -6y. how do you find k?

29. ## Math

A farmer’s harvest in bushels varies directly with the number of acres planted. A. Express in sentence form what this means to the farmer. B.Translate the variation statement into the corresponding variation equation. C. If 8 acres can produce 144

30. ## Algebra

Does the data in the table represent a direction variation or an inverse variation, write an equation x 1 2 5 10 y 40 20 8 4 My answer is a direct variation, y=40x, is this correct? here are the other answers direct variation 7=1/40x inverse variat xy=40

31. ## Algebra

If y varies directly with x and y is 14 when x is 6 What is the constant of variation What is the direct variation equation

32. ## algebra

find the variation constate and an equation of variation where y varies inversely as x and y=1 whenx=6 what is the variation constant is

33. ## Algebra

Find the variation constant and an equation of variation where Y varies directly as X and Y=60 when X=10 k=variation constant y=equation of variation Still do not understand..please..

34. ## Math

What kind of equation is 15x=3y linear equation. Inverse variation. Direct variation or joint variation?

35. ## math

Direct vs. Indirect Variation The volume of the water in a swimming pool as it is filled at a rate of 200 gallons per minute. I said this is direct variation V = 200t The volume of the water in a swimming pool as the water drains at a rate of 200 gallons

36. ## Algebra

Determine whether the equation represents a direct variation. 2y=5x+1 Not a direct variation Direct variation, constant of variation is 5/2 Direct variation, constant of variation is 2/5 Direct variation, constant of variation is 1- 2/5

37. ## Math

I am doing Direct Variation in math. I don't understand how to do it. It would be very helpful if you helped me with these problems: Is each equation a direct Variation? If it is, find the constant of variation: y=3/5x -3x+2y=0 -5x+2y=9 8x+4y=12

38. ## Math

Is -12x = 6y a direct variation? If so what is the constant of variation. My answer is yes it is a direct variation and the constant of variation is -2 but I want to make sure. Please help

39. ## Math

I am confused with this problem, A 14.1 oz box of cereal costs \$2.89. Find the constant of direct variation I don't know how to figure out the constant of direct variation and i need help.

40. ## Math

-8y = 2x -7 +9y +7= 2x Determine whether each equation represents a direct variation. If it does, find the constant of variation.

41. ## algebra

Tell whether equation represents direct variation. If so, identify the constant of variation

42. ## Math

Does the equation represent a direct variation? If so, find the constant of variation. 2x - 4y = 0 A. yes; k = -4 B. no C. yes; k = 1/2 D. yes; k = -1/2

43. ## algebra 1

PLEASE HELP Come up with and describe two scenarios: one that models a direct variation situation and one that models an inverse variation situation. Do not state explicitly which scenario is which, but provide at least four data pairs for each situation.

44. ## Algebra

Each ordered pair is a solution of a direct variation. Write the equation of direct variation. (2,10) (8,2) (7,21) (2,-16) Please Help!

45. ## Algebra

For this problem, tell whether each relationship is a direct variation. Explain. x | -3 | -6 | -9 | y | 18 | 36 | 54 | My teacher didn't really explain direct variation very well, but i did catch that you put x over y. (Hopefully this helps)

46. ## Math

Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C.

47. ## Algebra

1. For the data table, does y vary directly with x? If it does, write equation for the direct variation. x|y 10|15 16|24 20|30 A. Yes; y=1.5x B. Yes; y=2x ** C. Yes; y=x+5 D. No there is no direct variation. 2. For the data table, does y vary directly with

48. ## Math

Suppose that y varies inversely as t he cube of x. If y is 1/2 when x is 2 , find the constant of variation and variation equation

49. ## algebra

Translate the statement of variation into an equation; use k as the constant of variation. V varies jointly as s and the fourth power of u.

50. ## Algebra 2

Ordered pair is from an inverse variation: (3,1/3) how do I find the constant of variation?

51. ## Algebra

Find the variation constant and an equation of variation where y varies directly as x and y = 20 when x = 10

52. ## Algebra 2 Honors

Hey, we recently started a topic in class that I don't understand well, I just want to post 6 of the problems and ask if they're right or not (some of them I have no idea how to do). 1. If a varies directly as b and b = 18 when a = 27, find a when b = 10.

53. ## math

Each point is included in a different variation. Which variation is the constant of variation 3/5 a -3,-5 b -3,5 c -2,-3 d 15,9 plz explain. thanks

54. ## math

Each point is included in a different variation. Which variation is the constant of variation 3/5 a -3,-5 b -3,5 c -2,-3 d 15,9 plz explain. thanks

55. ## Algebra

This is about direct variation. The area a painter can paint varies directly with the amount of time he works. One morninig, he painted 204 ft² between 8 a.m. and 12:15 PM. Write a direct variation equation to describe the area y covered in x hours. The

56. ## math

This is about direct variation. The area a painter can paint varies directly with the amount of time he works. One morninig, he painted 204 ft² between 8 a.m. and 12:15 PM. Write a direct variation equation to describe the area y covered in x hours. The

57. ## Algebra

Does the data in the table represent a direct variation or an inverse variation? x - 1, 2, 5, 10 y - 40, 20, 8, 4 A.) Direct variation; y = 40x B.) Inverse variation; xy = 40* C.) Inverse variation; xy = 1/40

58. ## Help MATH

1. does the equation represent a direct variation? if ao find the constant of variation 5x=-3y Any help???

59. ## algabra

find the constant of variation for each direct variation. 10y=13x and f(x)=4.5x and x+y=0

60. ## algerbra

find the constant of variation for each direct variation. 10y=13x and f(x)=4.5x and x+y=0

61. ## algebra

Hi I'm having trouble with this question I don't understand it at all. This is the question: Suppose y varies directly with x, and y = 15 and x = 5. Write a direct variation equation that relates x and y. What is the value of y when x = 9? If somebody

62. ## Algebra 1

Is each equation a direct Variation? If it is, find the constant of variation: y=3/5x -3x+2y=0 -5x+2y=9 8x+4y=12

63. ## Algebra

find the slope of the line that passes through (-2,1), (1,10). A: 3 B: -3 C: 1/3 D: -1/3 Which equation represents a direct variation? What is the constant of variation? A: 3y=2x+1;1 B: y=-5x-11;5 C: 4y=-12x;-3 D: y+7=2x-1;7 Suppose y varies directly with

64. ## algebra

Find the variation constant and an equation of variation where y varies directly as x and y =4 when x=1. the variation constant is K= the variation constant is y =

65. ## algebra 1 8th Grade

Find the constant of variation for the direct variation. F(x)=4.5x

66. ## Math

A pipe tapers 0.75 inches for every 30 inches of length.Use a constant of direct variation to determine the amount of taper of a 105 inches length. I need help with finding a constant of direct variation.

67. ## Algebra

A student earns \$0.65 for each mistake she finds in a text. Sketch the equation of direct variation. An equation of direct variation is of the form M = k X where k us a constant. In your case M might be total money earned and X is the number of students.

68. ## Algebra Variation Constant

What does this mean? Do I graph this or what? Find the variation constant and an equation of variation where y varies directly as x and y=12 when x=2 The variation constant =? The equation of variation is y=?

69. ## 8th grade

i have a homework assignment i do not know how to do. i was out sick so i have not learned this. hear is the question......y varies directly as x. find the constant of variation and write an equation for the direct variation. question 1: y=15 when x=5

70. ## Algebra

This is my third question about direct variation. For this problem, tell whether each relationship is a direct variation. Explain. x | -1 | 5 | 8 | y | -1.5 | 7.5 | 12 |

71. ## Algebra

This is question 2 about direct variation For this problem, tell whether each relationship is a direct variation. Explain. x | 8 | 0 | -5 | y | 13 | 5 | 0 |

72. ## Algebra genius?

Find the variation constant and an equation of variation where Y varies directly as X and Y=60 when X=10 k=variation constant y=equation of variation

73. ## algebra

Find the variation constant and an equation of variation where y varies directly as x and y=16 when x=8 The variation constant is k=? The equation of variation is y=?

74. ## algebra

1. Find the variation constant and and an equation of variation where y varies directly as x and y y=42 when x=6 variation constant is K= equation of variation is y= 2.Jack usually mows his lawn in 6 hours. Marilyn can mow the same yard in 4 hours. How

75. ## algebra

I have no clue what to do here can you tell me how to figure this? If y varies directly with x, and y = 500 when x = 200, find the constant of variation k. Whenever you have a statement such as "....y varies directly with x..." you can write it as an

76. ## Algebra 1

I need some help with Direct linear variation. I had tooken a test, and one of the questions on there said " Which equation represents a direct linear variation?" The answers were A ; y = 1/x B ; y = x + 2 C ; y = x squared D ; y = 1/2x . I choose B . But

77. ## Math

I need the answers and the work shown steb by step today pls^^ For each direct variation find the constant of variation.Then find the value of y when x= -5 1.y=2 whne x=7 2.y=-2 when x=2 3.y= 17 when x=-4 y varies directly with x. 1.if y=6 when x=2,find x

78. ## math

I'm really struggling with the concept of direct variation and indirect variation. Is there an easy way to explain it and understand it?

79. ## Algebra 1

How do you find the constant the variation andthe slope of the direct variation if y and x aren't given, and only the middle number is?? OK...clue me in on what you mean by the "middle" number.

80. ## Science

how do you read graphs showing direct variation and inverse variation??

81. ## Science

how do you read graphs showing direct variation and inverse variation??

82. ## College Algebra

What is the difference between direct variation and joint variation and please put into words an example.

83. ## math

what is the different between direct variation and Inverse variation,, pls help i have a quiz tomorrow

84. ## Algebra 2

I am trying to figure out if these problems are Direct Variation, Inverse Variation, or Neither. Could someone please check my answers? m=-5p Direct c=e/-4 Neither c=3v Direct r= 9/t Inverse n=(1/2)f Direct u=I/18 Neither d=4t Direct z= -0.2/t Inverse

85. ## Algebra

Need some Homework help for my son and I am not doing so great figuring out the correct answer- all explanations a greatly appreciated..... he has the following 3 part word problem. Josh mows lawns after school and earns \$25 for each lawn mowed. 1. write a

86. ## Math

Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C.

87. ## Math

Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C.

88. ## Math

Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C.

89. ## math

Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C.

90. ## Algebra 2

Let (x1,y1) be a solution, other than (0,0), of a direct variation equation. Write an second direct variation equation whosegraph is perpindicular to the graph of the first equation.

91. ## Algebra-HELP

x and y vary directly. If y = 24 when x = 8, what is the variation constant and write the variation equation. explain work

92. ## math

Find the variation constant and an equation of variation if y varies directly as x and the following conditions apply.

93. ## college algebra

Find the variation constant and write a formula that expresses the indicated variation. c varies inversely as d, and c=5 when d = 2.

94. ## math

Why does inverse variation not hold (as x increases y decrease) when the constant of variation is negative?

95. ## Algebra

How does the constant of variation for an inverse variation relate to the x and y in the inverse variation function?

96. ## algebra

find the variation constant and an equation of variation where y varies directly as x and y = 54 when x =x6

97. ## algebra

Find the variation constant and a equation of variation where y varies inversely as x and y=1 when x=15

98. ## Algebra

Find the variation constant and an equation of variation where y varies inversely as x and y=2 when x=6

99. ## Algebra

Find the variation constant and an equation of variation where y varies directly as x and y=50 when x=10

100. ## MATH Algebra

How do I find the variation constant and an equation of variation where y varies directly as x and y =70 when x=7