The ordered pairs in each exercise are for the same direct variation. Find the missing value. (3,2) and (6,y) I don't know how to find the missing value ..

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  1. 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)

  2. 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

  3. 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

  4. 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?

  5. Math science Reading

    27.A table of ordered pairs is shown.Which graph best represents these ordered pairs?

  6. 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.

  7. Math

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

  8. 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?

  9. 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.

  10. Algebra

    Myra uses an inverse variation function to model the data for the ordered pairs below. (2, 30), (3, 20), (4, 15), (5, 12), (6, 10) Which statement best explains whether an inverse variation function is the best model for the data? An inverse function is

  11. 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

  12. 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.

  13. 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.

  14. Algebra

    Please Help! Given the following three points, find by hand the quadratic function they represent. (−1,−8), (0,−1),(1,2) A. f(x)=−3x2+4x−1 B. f(x)=−2x2+5x−1 C. f(x)=−3x2+10x−1 D. f(x)=−5x2+8x−1 Determine if the following set of

  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. 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

  17. Math

    Determine whether the following relation is a function. {(3,7),(3,8),(3,-2),(3,4),(3,1)} a. It is a function because the ordered pairs all have the same x-value*** b. It is NOT a function because there are multiple y-values paired with a single x-value c.

  18. 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;

  19. 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

  20. 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

  21. 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

  22. Math

    The ordered pairs represent a function (0,-1). (1,0), (2,3), (3,6), and (4,15) a. graph the ordered pairs and describe the pattern. Is the function linear or nonlinear? I said nonlinear. b. Write an equation that represents the function. I don't know what

  23. Math

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

  24. 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

  25. Algebra II

    Assuming that y varies directly as the fourth power of x, fill in the missing values in the table of ordered pairs. x 18.3 74.5 ? y 29.6 ? 155

  26. Math

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

  27. 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

  28. 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

  29. Algebra 1

    "Graph each system of linear inequalities. Give two ordered pairs that are solutions and two that are not solutions." How do I find these solutions in order to "give two ordered pairs that are solutions and two that are not solutions."?

  30. 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

  31. Algebra 1

    The ordered pairs in each exercise are for the same direct variation. Find the missing value. (3,2) and (6,y) I don't know how to find the missing value ..

  32. 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

  33. College Algebra

    give the domain and the range for the following set of ordered pairs and determine if the ordered pairs represent a function. A) (1,2)(3,4)(5,5)(4,4)(5,4) B) (4,1)(5,1)(6,1)(7,1)(8,1)

  34. math axis of symmety

    What is the equation of the axis of symmetry of the graph with the order pairs of (-2,0) and (6,0). How would I do this since? I thought perhaps I could do -2+__=6 which would be 8 then 8/2 =4 so x=4 my brother says I'm suppose to do 6-2=4/2=2 so x=2 who's

  35. math

    Which of the following sets of ordered pairs is not a direct variation? (0, 0); (-2, 4); (3, -6) (1, 1); (-2, -2); (3, 3) (10, 2); (15, 3); (20, 4) (0, 0); (1,

  36. 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!

  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. Algebra

    Find three ordered pairs (a,b) that satisfy the equation 3a - 5b = 9. So far, I got (3,0). I'm having trouble finding others. Does anyone have suggestions on other easy ways to find ordered pairs besides guess-and-check? Thank you!

  39. 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

  40. 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

  41. Math

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

  42. 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

  43. 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

  44. 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

  45. Algebra 2

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

  46. Algebra

    3x - 2y = 6 , 2x + 3= 6 are perpendicular lines but i need 3 ordered pairs for each. I used the m= y2-y1/x2-x1 method to establish that the slopes = -1. Any suggestions for ordered pairs for each line is much appreciated.

  47. 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 |

  48. 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

  49. Pre algebra

    How do I complete each ORDERED PAIR solution to the given equation? y=-x+9;(4),(9),(0) I looked up math ordered pairs at www.google.com, and these are the results. There may be a site in here with an explanation to help you.

  50. Stuck on Algebra 1

    This is kind of like the first question I asked, and I'm still having a little trouble on it. The Ordered pairs in each exercise are for the same direct variation. Find the missing value. (-2,8) and (x,12) I'm not sure how to work out the problem.

  51. Algebra 1

    The ordered pairs in each exersise are for the same direct variation. Find each missing value. (-2,8) and (x,12) (4,y) and ( 16,12)

  52. Algebra 1

    (x,8) and (6,-16) (3,y) and ( 9,15) (2,y) and (10,15) The ordered pairs in each exersise are for the same direct viration. find each missing value.

  53. Algebra 2

    Evaluate the function when x=1. f(x)=4x-2. Write the input and output as a set of ordered pairs, and identify the domain and range of the ordered pair. Ordered Pair: Domain: Range: 2. Write an equation of direct variation that passes through the point

  54. 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

  55. 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

  56. 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.

  57. 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.

  58. 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

  59. Algebra

    The ordered pairs represent values for x and y. (1,1) is x =1 and y=1. Substitute these ordered pairs in the equations and evaluate to see if are true. Then, graph the points and line to find another solution.

  60. 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

  61. Geometry

    So are these the correct ordered pairs to the problems. Our teacher told us to find ordered pairs. 1. TX=2x+1,XW=x+7;TW 2. WX=x+5,TW=4x+5:TX 1. (1,8) 2. (3,17)

  62. 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.

  63. math

    What terms is missing from this set of ordered pairs? (0, -2)(?, 0)(5,8)

  64. math

    I am having to find the value of y for the given values of x. I understand how to find the value of x, but I am unsure how to put it in the form of ordered pairs: This is not the actual problem on my assignment: y=7^x, for x=2 y=7^2 y=7*7 y=49 I am lost as

  65. 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

  66. math

    0 of 1 Tosha is trying to find the solution(s) to the system {f(x)=x3−3x2+2g(x)=−x2+x. After analyzing the graph of the functions, Tosha comes up with the following list of ordered pairs as possible solutions: (−1,−2), (0,0), (1,0), and (2,−2).

  67. MATH

    A function machine accepts inputs as ordered pairs. the componets of the ordered pairs are natural numbers and the first component is the length of rectangle and the second comonet is the width . the given machince comptes the perimiter . find the out ut

  68. 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

  69. Algebra 2

    Evaluate the function when x=1. f(x)=4x-2. Write the input and output as a set of ordered pairs, and identify the domain and range of the ordered pair. (6 points) Ordered Pair: Domain: Range: Write an equation of direct variation that passes through the

  70. Math

    Use the table of values. x y -2 -5 0 -1 1 1 2 3 A. Graph the ordered pairs. B. Is the function linear? Explain. C. Write a rule for the ordered pairs in terms of x and y. D. What is the value of y when x = 10?

  71. Math

    x y -2 -5 0 -1 1 1 2 3 A. Graph the ordered pairs. B. Is the function linear? Explain. C. Write a rule for the ordered pairs in terms of x and y. D. What is the value of y when x = 10?

  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. algerbra

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

  74. algabra

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

  75. Help MATH

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

  76. algebra

    Help would be greatly appreciated!!! This gets really confusing for me. Write an inverse variation equation. If y varies inversely with x and y=2 when x=4…. a. Find K. b. Write a general equation. c. Use your equation to find y when x=8 Draw a chart to

  77. 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

  78. 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

  79. 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

  80. MATH!!!

    A function machince accepts inputs as ordered pairs. The componeys of the ordered pairs are natural numbers and the first componet is the length of the rectangle and the second componet is the width. the given machince comptes the perimeter ( the distance

  81. 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

  82. 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)

  83. Algebra I

    If a set of ordered pairs is a function, are the ordered pairs also a relation? (Also, please explain why)

  84. MTH 156

    a function machine accepts inputs as ordered pairs. the components of the ordered pairs are natural number and the first component is the length of a rectangle and the second component is the width. The given machine computes the perimeter (the distance

  85. algebra 1 8th Grade

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

  86. math

    find the two ordered pairs from this equation. y+x=-2 then give the ordered pair of the y intercept?

  87. math-please help due tonight

    find the two ordered pairs from this equation. y+x=-2 then give the ordered pair of the y intercept?

  88. math- CAN SOMEONE PLEASE HELP

    find the two ordered pairs of this equation. y=5/3x+8 then give the slope and y intercept. I know the slope is rise over run and is the y intercept 8? This is the answer I got but I am still really confused how do I get my two ordered pairs this makes no

  89. math

    What happens to the value obtained for the slope if the coordinates of the two ordered pairs aren't subtracted in the same order? what is an example. All I know is that you would get the wrong slope for the ordered pairs, I do not know why. Can anyone

  90. math

    Can someone help me find the two order pairs of this problem.. 5x+6y

  91. Math

    I am working on a graphing exercise where I had to make a picture using ordered pairs and graph it. Then I had to graph the inverse coordinates. Finally it said to make a different graph this time using the "negative of the ordered pair". I don't

  92. Calculus

    Hello. I have a few questions from my study guide, that I need to know to study for my test. 1) x^(2/3)*((5/2)-(x) a) determine the ordered pairs of the local extrema of the function. Use the second derivative test. B) determine the ordered pairs of all

  93. 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

  94. 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.

  95. 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.

  96. 8th grande transition algebra

    well, i am doing a math crossword puzzle on linear equations. I really need some help. here are the questions: what is Ax+By+C called? what are numbers used to graph a point? what is not a straight line? where does a line pass threoug the x-axes? what is

  97. 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?

  98. Math

    find the intercept and graph. -x+3y=-6 I need to complete the ordered pair (3,) so im I setting the problem up right -x(3)+3y=-6? and thus the missing ordered pair is -2?

  99. Math

    The members of the Farrell family are Mona, the mother; Scott, the father; Kellie, Katie, Kristin, and Karen, the daughter ; and Kyle the son Consider the ordered pairs (x,y) where x is the mother of y. A.. List the ordered pairs in this set B.. If you are

  100. Math help!!!

    The members of the Farrell family are Mona, the mother; Scott, the father; Kellie, Katie, Kristin, and Karen, the daughter ; and Kyle the son Consider the ordered pairs (x,y) where x is the mother of y. A.. List the ordered pairs in this set B.. If you are

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