Which equation represents the direct variation relationship of the equation x/y=1/2? 1)y=x+1/2 2)y=2x 3)y=3x 4)x=2y

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  1. 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

  2. Algebra 1

    1. For the data in the table does y vary directly with x? If it does write an equation for the direct variation. x|y 8|28 16|56 20|70 a. yes;y=5x b. yes;y=x+20 c. yes;y=3.5x** d. no; y doesn't vary directly with x 2. For the data in the table does y vary

  3. Math

    A painter mixes cans of green and white paint to make the shade needed for painting a bedroom. The table shows the ratios he can use for the color he wants. green cans(g) 6 10 16 18 White cans (w) 9 15 24 27 which is a direct variation equation for this

  4. math

    Suppose y varies directly with x and y = 72 when x = 6. What direct variation equation relates x and y? What is the value of y when x = 10?

  5. 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?

  6. 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)

  7. Direct Variations

    Suppose y varies directly with x. Write a direct variation equation that relates x and y. y=10.4 when x=4 y=3.4x* y=3.8x y=3.2x y=2.6x

  8. 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

  9. 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

  10. math

    4. Which equation represents a proportional relationship? a) y=1/2x b) y=2x-2 c) y=x+1 d) y=3x+3 5. Which points are part of the graph for the previous question's equation showing a proportional relationship? this is a select all that apply a= (0,0) b=

  11. math

    Which equation represents the direct variation relationship of the equation x/y=1/2? 1)y=x+1/2 2)y=2x 3)y=3x 4)x=2y

  12. Algebra

    The value of y varies directly with x.If x=3, then y=21. Using the Direct Variation equation What is the value of x if y=105

  13. 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!

  14. 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.

  15. algebra

    How can I calculate an equation that represents the relationship between x and y? I have a table as my source, but this is for interpolation vs extrapolation residuals and there is no y intercept to start my equation.

  16. Math

    1. Suppose y varies directly with x. Write a direct variation equation that relates x and y. y= 7 1/2 when x=3 a. y= 3/2 x b. y= 2/3 x c. y= 5/2 x d. y= 2/5 x 2. Suppose y varies directly with x. Write a direct variation equation that relates x and y.

  17. 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.

  18. Mathematics

    Can someone check my answers? 1. For the data in the table, does y vary directly with X? If it does write an equation for the direct variation.(X,y) (8,11) (16,22) (24,33) Yes y=2.75x Yes y=0.6875x*** Yes y=1.375x No y does not vary directly with X ** (For

  19. Algebra II

    What is an equation for a direct variation whose graph passes through the point (–5, 3)?

  20. math, help please !

    use the following instructions for problems 1 and 2: for a right triangle with legs a and b and hypotenuse c, find the missing side length. round your answer to the nearest tenth, if necessary. 1. a = 5;b = 10 - 3.9 -11.2 -8.7 -125 2. a = 9;c=15 -12 -17.5

  21. 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

  22. 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

  23. Math

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

  24. Algebra

    Determine whether the equation represents direct, inverse,joint,or combined variation. y=31x/wz If it is combined, please explain to me.

  25. 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;

  26. 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

  27. 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

  28. Math

    1. The set of ordered pairs of the form (x,y) shown below represents points on a graph for a direct variation. (−4,6) (−1,−1.5) (0,0) (2,3) (6,9) Which equation best represents the relationship? A. y=3/2x B. y=2/3x C. y=x-2 D. y=x+3 Should I just

  29. Algebra

    1. determine whether the equation represents a direct variation , if it does find the constant of the vartion 2y=5x+1

  30. math

    example of a linear equation that is a direct variation....

  31. MATH

    for the data in the table does y vary directly with x if it does write an equation for the direct variation x y 4 28 6 48 8 72 yes;y=2x yes;y=5x** yes;y=7x no

  32. direct variation or neither

    Tell whether the equation represents direct variation or neither, 7=3x+2 represents A) represents inverse variation B) represents direct variation C) represents neither.

  33. 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

  34. 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

  35. math

    How do you find the slope for the direct variation equation y=11x

  36. 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

  37. 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.

  38. Math (HELP ASAP!)

    1. Find the slope of the line that passes through (-2,1), (1,10). a. 3 b. -3 c. 1/3 d. -1/3 2. Which equation represents a direct variation? What is the constant variation? a.3y = 2x + 1; 1 b.y = -5x - 11; 5 c.4y = -12x; -3 d.y + 7 = 2x - 1; 7 3. Suppose y

  39. 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

  40. Help MATH

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

  41. Algebra

    Can you check my answer? 1. For the data in the table, dose y vary directly with X? If it dose write an equation for the direct variation.(X,y) (8,11) (16,22) (24,33) Yes y=2.75x Yes y=2.75x Yes y=0.6875x*** Yes y=1.375x No y dose not vary directly with X

  42. 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

  43. Math

    Is the ordered pair (0,0) a solution of the direct variation equation y=kx ?

  44. Algebra

    Suppose y varies directly with x. Write a direct variation equation that relates x and y. y= 7 1/2 when x=3 y=3/2x y=2/3x* y=5/2x y=2/5x

  45. Math

    For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation. X 52 = 32 = 20 = 8 Y 39 = 24 = 15 = 6

  46. 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

  47. algebra

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

  48. 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

  49. 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

  50. 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

  51. 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.

  52. 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

  53. algebra

    Please please help, this is like the only thing i am having trouble on right now, and no one my my family knows about this stuff. Any help would be great! (: x 3 6 9 12 f(x) 9 18 27 36 Does this relationship show direct linear variation?_______________ If

  54. Linear Algebra

    I need help for the Linear Algebra B Unit 2 test. Please help. 1. For the data in the table does Y vary directly with X? If it does, write and equation for the direct variation. l X l Y l l 10 l 15 l l 16 l 24 l l 20 l 30 l A- Yes: Y=1.5X B- Yes: Y=2x C-

  55. math

    Relationship 1: Relationship 2: y = x a) Identify each relationship as direct or inverse variation. b) Calculate the constant of each relationship and explain how you arrived at your answer. c) Using complete sentences, explain how the two relationships

  56. Algebra

    1. Total distance traveled varies directly with the amount of time spent traveling. If traveling 4.5 hours results in 180 miles traveled, write the direct linear variation equation. Then determine how long it would take you to travel 320 miles, assuming

  57. algebra help

    how can direct variation be easily identified on a table equation on a graph?

  58. 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

  59. 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

  60. Math

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

  61. 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.

  62. 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

  63. 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

  64. Math

    Which equation represents a direct variation? A y = 5x B y = 5/x C y = 5 D y = 5 − x

  65. Math

    Which equation represents a direct variation? A y = 5x B y = 5/x C y = 5 D y = 5 − x

  66. Pre-Algebra :(

    Can you answer this, please? Tell whether each equation represents direct variation between x and y. y=-3x^2

  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. Math

    Determine whether the equation represents direct, inverse, joint, or combined variation. y = 2x on 3rd

  69. Algebra

    Here is the question : Determine whether the equation represents direct, inverse, joint, or combined variation. y=2x^3

  70. algebra 2

    what does it mean when they say tell wheather the equation represents direct variation. if so then give the constant of variaton the problem is: 2y-5x=0

  71. Variation

    I have few questions that I need checked please and could you help me with the last question? Write an equation that expreses the relationship. Use k as the constant of varaiation. 1. s varies directly as h -I got: s=kh 2.a varies directly as the square of

  72. 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 |

  73. 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 |

  74. Math

    1. For the data in the table is why very directly with X if it does right now question for the direct variation x 10 y 15 x 16 y 24 x 30 2. The data in the table is why very directly affects if it does right in equation for the direct variation x 16 y 4 x

  75. 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

  76. 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.

  77. 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)

  78. 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

  79. 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

  80. 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

  81. 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

  82. Algebra

    Write a direct variation equation that relates x to y. Then solve. Show both the equation and the solution. If y = 8 when x = 4, find y when x = 5.

  83. Math

    how is the equation of direct variation similar to the linear equation y=mx+b? how are they different?

  84. Math

    The equation -4x+y=0 relates to the number of pages in a photo album y to the number of picture sin the album x. Tell whether the relationship is a direct variation.Explain

  85. Math

    I have 2 questions that I need help with if someone could please help me step by step to figure out how to do this equation it would be very helpful. Thank you 1. Suppose y varies directly with x and, y=15 and x=5. Write a direct variation equation that

  86. 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

  87. Math

    What is the equation of direct variation given that y is 16 and x is 2?

  88. Algebra 1- A few questions, please help

    **

  89. Math

    How do we know when we are looking at a direct variation in a graph/equation?

  90. Algebra 1

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

  91. Algebra

    If y = 45 when x = 9, find the direct variation equation that relates y and x

  92. 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=?

  93. 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..

  94. algebra

    write an equation of the direct variation that includes the given point, (-5/6, 6/5)

  95. math

    write the direct variation equation for the following:y varies directly with x and y=60 when x=10

  96. algebra help

    how can direct variation be easily identified on a table equation on a graph?

  97. Math

    if y varies directly as x find the direct variation equation for the situation: y=20 and x=16

  98. 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 Write an equation to model the data in the table

  99. Math

    For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation. X Y 4 6 8 12 10 15

  100. Math

    I need some help with my math.. It says is each equation a direct variation? If it is find the constant of variaton. 32. f(x)=-3x 34. y=2x+5 I don't get how to do these.. please help me.

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