# I really don't get direct variation and I took a test on it and bombed it but now I can correct it so if anyone can just explain it to me I'd be really grateful. :) Generally, direct variation means

37,496 results
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. ## 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?

3. ## 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.

4. ## Algebra 1

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

5. ## 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.

6. ## 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;

7. ## 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?

8. ## 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

9. ## 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-

10. ## 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

11. ## 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)

12. ## 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.

13. ## 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

14. ## 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!

15. ## 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

16. ## 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

17. ## 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

18. ## 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

19. ## 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.

20. ## Math

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

21. ## 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

22. ## Math

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

23. ## 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

24. ## Math: Direct Variation

I really don't get direct variation and I took a test on it and bombed it but now I can correct it so if anyone can just explain it to me I'd be really grateful. :) Generally, direct variation means that as one of the variables assumes increasing positive

25. ## 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

26. ## 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.

27. ## NEED Math Help ASAP PLZ!!!

I don't know how i got this question wrong. In a direct variation, the constant of proportionality is -3. Which of the following would be its equation? A) y = x - 3 B) -3y = x C) y = -3x D) -3 = xy I put A as my answer... but it says the answer is C! How

28. ## 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

29. ## Math

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

30. ## 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

31. ## 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

32. ## 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.

33. ## 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

34. ## math

suppose why varies directly with X write a direct variation equation that relates ex and Y then find the value of Y when X=18 y=7 x=6 write a direct variation equation that relates X and Y y= what is the value of Y when X=18 Y=

35. ## algebra

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

36. ## 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 ..

37. ## Algebra

Is 3x-4y=7 a direct variation Is 6x-3y=0 a direct variation?

38. ## Math

is this a direct variation? 5x + 2y = 9

39. ## 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

40. ## 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

41. ## 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.

42. ## 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

43. ## 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)

44. ## algebra

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

45. ## Science

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

46. ## 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

47. ## Algebra--Help needed!

Does anyone at least slightly understand direct and inverse variation? I get the basic idea, but I'm still a little confused, especially with inverse variation. What I'm having more trouble with is conversion using direct and inverse variation. Today, my

48. ## Inverse/Direct Variation

Is this an example of inverse variation, direct variation, or neither? Because, on average, Linda makes 60% of the free throws she shoots in a basketball game, the number of points she scores on free throws depends on the number of shots she gets.

49. ## biology/honors

Charle Darwin made theory of natural selection but couldn't explain why there is variation within populations. Explain two reasons why there is variation within population ? PLEASE help me answer this question is for my test

50. ## Math

Your phone company charges \$0.05 per minute for long distance phone calls on the weekend. Write a direct variation model that relates the total cost x to the number of minutes y spent talking on the phone. y=0.05x ?? I don't know how to do this. Please

51. ## 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

52. ## 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

53. ## 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.

54. ## 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

55. ## 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.

56. ## 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

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. ## 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

59. ## 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

60. ## 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

61. ## 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.

62. ## 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

63. ## 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 |

64. ## 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 |

65. ## college algebra

Direct variation Find y when x=5, if y=7 when x=14 I think the answer is 2.5 but don't know for sure:-)

66. ## 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.

67. ## 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.

68. ## 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?

69. ## Math

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

70. ## algebra

does y vary directly with x? if it does, write an equation for the direct variation. x = 10, 16, 20 y= 15, 24, 30 I need help pls I don't understand.

71. ## College Algebra

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

72. ## algabra

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

73. ## Science

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

74. ## algerbra

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. ## 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

77. ## math

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

78. ## 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

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. ## 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

81. ## Chemistry-electron configuration CONFUSED!!

I need help with electron configuration. I do not understand any of it!! I bombed a test ad have a chance to retake it. Any info on electron configuration is great! It is really hard to help you if we don't know what is wrong. Here is a site that may help.

82. ## 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.

83. ## algebra 1 8th Grade

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

84. ## Algebra

Is my 1st question a direct or inverse variation, and is My 2nd question a direct or inverse variation? Question: 1st Deku is saving up money so he can buy a limited time “All Might” poster. He saves \$17 a week for 4 weeks. 2nd Shoto went out with his

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

86. ## 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

87. ## 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

88. ## 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

89. ## 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.

90. ## Math-quick Q

So I had already asked a question on inverse and direct variation problems, how would it be if the problem is neither inverse or direct

91. ## 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

92. ## 8A thermal energy unit test

I need help with connections academy unit 5 lesson 20 thermal energy test!! ALL OF IT I bombed the entire unit! Helppppp

93. ## 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

94. ## math

Direct vs. Inverse Variation Also this one: You purchase a new SUV; as age increases, the resale price decreases. I believe this would be inverse, but the answer packet says neither direct nor inverse. As I understand inverse, as one value goes up, the

95. ## math

what is the direct variation of 4,1

96. ## Math

What is a direct variation? 1.y= x-1 2.y= x/3 3.y= x+5 4.y= 2x-3

97. ## Algerbra

is 3x=4y-7 a direct variation why or why not?

98. ## algebra 2

y=4/9x direct variation

99. ## Math

-5x=2y=9 Is this a direct variation?

100. ## math

Is this a direct variation y= -2x + 6