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

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