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October 25, 2014

Search: Variation-Check Problems

Number of results: 18,052

Math
I am doing Direct Variation in math. I dont 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
April 8, 2008 by Kirsin

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
January 6, 2014 by Jane

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.
April 17, 2013 by James

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.
August 17, 2010 by Lori

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. direct variation; y=x+10 d...
May 19, 2014 by kathy

biology
Could someone please check this definition and tell me if it's good or if it's too much (whatever) Variation=the existence of differences between the individuals in a population. It can be described as continuous or discrete. Examples of discrete variation are gender and eye ...
January 15, 2008 by Anonymous

biology
Could someone please check this definition and tell me if it's good or if it's too much (whatever) Variation=the existence of differences between the individuals in a population. It can be described as continuous or discrete. Examples of discrete variation are gender and eye ...
January 15, 2008 by Anonymous

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=?
February 27, 2008 by Micah

Variation-Check Problems
Can you please check my answers? Thanxs! Write an equation that expresses the relationship. Use k as the constant of variation. 20. f varies jointly as b and the square of c. -I got: f=kbc^2 22. r varies jointly as the square of s and the square of t. -I got: r=ks^2t^2 Find ...
October 8, 2007 by Soly

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
December 15, 2011 by karon

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
March 20, 2009 by Anonymous

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
March 21, 2009 by Anonymous

Algebra
Can you please help me with these Algebra word problems? Complete the following word problems. 1. Tell whether the table represents inverse variation. If so, write the inverse variation equation and solve for y when x = 4. Show work that supports your conclusions. Table: ...
March 28, 2014 by Student

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..
May 5, 2012 by Maria1

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 understanding this ...
January 4, 2013 by **LB**

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 =
June 3, 2012 by plz hlp

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
May 5, 2012 by Maria1

Variation
Could you please help me with the following question? Find the variation equation for the variation statement. 31. z varies jointly as y and the cube of x; z=96 when x=2 and y=6 (I dont understand this one. My answer choices are: a.y=2x^3y,b.y=2xy^3, c.y=-2x^3y, or d. y=-2xy^3)
October 10, 2007 by Soly

Variation Problem
Could you please help me with the following question? Find the variation equation for the variation statement. 31. z varies jointly as y and the cube of x; z=96 when x=2 and y=6 (I dont understand this one. My answer choices are: a.y=2x^3y,b.y=2xy^3, c.y=-2x^3y, or d. y=-2xy^3)
October 9, 2007 by Soly

Need help with variation
Could you please help me with the following question? Find the variation equation for the variation statement. 31. z varies jointly as y and the cube of x; z=96 when x=2 and y=6 (I dont understand this one. My answer choices are: a.y=2x^3y,b.y=2xy^3, c.y=-2x^3y, or d. y=-2xy^3)
October 9, 2007 by Soly

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=?
October 22, 2010 by ASHLY

algebra
Could someone show me how to solve this joint variation problems? Y varies jointly as x and y and inversely as w. Write the appropriate combined variation equation and find z for the given values of x, y and w. z=15 when x equals three, y equals four, and w equals nine, x ...
December 8, 2008 by Juliette

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 muschtime would it take ...
January 3, 2012 by Pinky P

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=
December 13, 2011 by karon

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 forumlua for direct ...
November 17, 2010 by David

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 forumlua for direct ...
November 17, 2010 by Jeff

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 bushels, find the constant of...
April 21, 2012 by Veronica

STATS
The error calculated by ANOVA includes: a) The variation due to experimental error b)The variation due to the influence of third variables c)The variation due to the influence of individual differences between the values d) a, b and c
October 4, 2013 by MArtina

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
September 12, 2009 by Anonymous

math
Find the variation equation for the variation statement. z varies directly as x and inversely as y; z = 3 when x = 24 and y = 40
March 20, 2010 by Anonymous

math
Why does inverse variation not hold (as x increases y decrease) when the constant of variation is negative?
May 21, 2010 by Stan

algerbra
find the constant of variation for each direct variation. 10y=13x and f(x)=4.5x and x+y=0
November 26, 2007 by dan

algabra
find the constant of variation for each direct variation. 10y=13x and f(x)=4.5x and x+y=0
November 27, 2007 by michael

Algebra
Find the variation constant and an equation of variation where y varies directly as x and y = 20 when x = 10
April 17, 2008 by Mary

Science
how do you read graphs showing direct variation and inverse variation??
January 29, 2009 by Angie

Science
how do you read graphs showing direct variation and inverse variation??
January 30, 2009 by Angie

Algebra
Find the variation constant and an equation of variation where y varies directly as x and y=50 when x=10
August 12, 2010 by Tim

algebra 1 8th Grade
Find the constant of variation for the direct variation. F(x)=4.5x
January 6, 2011 by shanequa

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
May 19, 2011 by Daniel

algebra
find the variation constant and an equation of variation where y varies directly as x and y = 54 when x =x6
April 15, 2012 by Terry

algebra
Find the variation constant and a equation of variation where y varies inversely as x and y=1 when x=15
June 1, 2012 by Randy

Algebra 2
Ordered pair is from an inverse variation: (3,1/3) how do I find the constant of variation?
April 22, 2014 by Linda

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
November 4, 2011 by Angelina

algebra
Tell whether equation represents direct variation. If so, identify the constant of variation
January 4, 2013 by **LB**

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
August 28, 2014 by Mary

math
what is the different between direct variation and Inverse variation,, pls help i have a quiz tomorrow
September 12, 2011 by raffael

math
Write the variation and find the quantity indicated. F varies jointly as q1 and q2 and inversely as the square of d. If F=12 when q1 =3, q2=9 and 9=3 The variation of F=
August 27, 2013 by misty

BIOLOGY
Is eye color a discontinuous or continuous variation? Why is everyone saying that it's a discontinuous variation, when you obviously have a gradation of different colors around the world in the human population, and it's a polygenic trait determined by many genes! So shouldn't...
November 27, 2011 by Dont delete the question

Microeconomics
What 's the difference between Compensated Variation (CV) and Equivalent Variation (EV) ?
October 23, 2007 by Tri

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
April 8, 2008 by Kirstin

Algebra
Find the constant of variation for the quadratic variation. 6y = 4x2 A. 4/9 B. 2/3 C. -2 D. 3/2
January 16, 2013 by Becka

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.
April 23, 2010 by BJ

BIo
How do segregation of alleles and independent assortment work to produce genetic variation? Why is variation important for the process of evolution?
December 9, 2008 by Anonymous

College Algebra
What is the difference between direct variation and joint variation and please put into words an example.
April 6, 2011 by Kathy

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.
September 1, 2013 by Alex

Business Statistics
If the total variation in y values is 200, and the variation explained by regression line is 180, then the coefficient of determination is equal to __________. A) 1.11 B) 0.90 C) 0.81 D) 1.21 I picked D 1.21
March 15, 2009 by Stuart

Algebra
Hi! Can you please re-check my answers. Mt teacher said some of them are not right but when I do it again, I still come up with the same answer. This is about Variations. Thanks! 1. What kind of variation equation is a=kbcd --> my answer is joint variation 2. If the joint ...
December 12, 2013 by McKenna Louise

Check my answers. Algebra
Can you please check my answers? Thanxs! Write an equation that expresses the relationship. Use k as the constant of variation. 20. f varies jointly as b and the square of c. -I got: f=kbc^2 22. r varies jointly as the square of s and the square of t. -I got: r=ks^2t^2 Find ...
October 10, 2007 by Soly

Statistics
Using advertised prices for used Ford Escorts a linear model for the relationship between a car's age and its price is found. The correlation coefficient is - 0.933 Determine R2 and interpret this statistic. A) R2 = 93.3% which means that 93.3% of the variation in car price is...
May 25, 2013 by Katie

statistics defns
What is the coefficient of variation and how do I calculate it from a dataset? coefficient of variation is simply the standard deviation divided by the mean.
March 1, 2007 by weldon

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 |
November 17, 2010 by David

Differential Equations
solve using variation of parameters: y"+36y=[csc(6t)]^2 I don't understand variation of parameters very well at all.
April 24, 2012 by Rosy

Math: Direct Variation
what are the formulas that illustrates direct blinear variation ?? please help me !! i can't find any formula !! .. humpf .. :(
November 3, 2008 by cherry

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 |
November 17, 2010 by David

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!
December 2, 2010 by Caitlyn

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.
August 19, 2011 by Tiara

MATH-direct variation
Which of the following represents a direct variation function? The answer coices are A)d=2r B)y=9x+1 C)y=-3 D)a=1/2h(b1+b2)
June 10, 2011 by chelsea

Statistics
Which, if any, of the values listed below for a correlation coefficient indicate a situation where more than half of the variation in one variable is associated with variation in the other variable? -.7 1 .3 .6 .9 I was thinking B
November 12, 2012 by Mike

variation
Can you please check my answers? Thanxs! Write an equation that expresses the relationship. Use k as the constant of variation. 20. f varies jointly as b and the square of c. -I got: f=kbc^2 22. r varies jointly as the square of s and the square of t. -I got: r=ks^2t^2 Find ...
October 9, 2007 by Soly

variation
Can you please check my answers? Thanxs! Write an equation that expresses the relationship. Use k as the constant of variation. 20. f varies jointly as b and the square of c. -I got: f=kbc^2 22. r varies jointly as the square of s and the square of t. -I got: r=ks^2t^2 Find ...
October 9, 2007 by Soly

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 the best model because ...
July 7, 2014 by Melanie

variation
x is partly constant and partly varies as y when y=5, x=7,and y=7,x=8.find the law of variation and also x, when y=11
January 25, 2014 by agbaje yusuf

Statistic
Examine the three samples listed here. Without performing any calculations, indicate which sample has the largest amount of variation and which sample has the smallest of variation. Explain how you produced your answer. a) 17 29 12 16 11 b) 22 18 23 20 17 c) 24 37 6 39 29
January 31, 2011 by Denise

direct variation
could someone please help me with these problems i am having trouble. If y=36 when x =6 find x when y = 42 If y=-18 when x=6 find x when y=6 If y =12 when x= 15 find x when y =21 If y=-6.6 when x=9.9 find y when x =6.6 If y=6 when x=(2/3)find x when y=12 those are the ...
September 13, 2006 by Teri

Math
how do you find the constant of variation k for the direct variation? for example, 4x + -6y. how do you find k?
January 30, 2009 by Angie

math
The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 34 cm when the weight is 3 kg, what is the distance when the weight is 9 kg? 22. Find the variation constant and an equation of variation where y ...
May 15, 2011 by algebra

Algebra check+help?
For problems 1 and 2 write Y as a function of X 1) 12=9x+3y - I think you would subtract 9 from the 12.. but I'm not really sure because you can't add/subtract x's and y's from regular numbers. 2) -2x+3y=9 Same problem as above.. Can someone please explain to me how to do ...
October 26, 2010 by Allyson

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.
November 27, 2006 by heather

Math
I am confused with this problem, A 14.1 oz box of cereal costs $2.89. Find the constant of direct variation I dont know how to figure out the constant of direct variation and i need help.
February 29, 2012 by Anonymous

math
Hi, How do I find the coefficient of variation? I found the sample variance and the standard deviation for the problem I'm trying to solve, but I can't find the coefficient of the variation
May 3, 2009 by Stella

math
Hi, How do I find the coefficient of variation? I found the sample variance and the standard deviation for the problem I'm trying to solve, but I can't find the coefficient of the variation
May 3, 2009 by Stella

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 m. -I got: a=km^2 ...
October 8, 2007 by Soly

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)
November 17, 2010 by David

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
January 14, 2009 by gavyn

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 whn y=12 2.if y=7 ...
October 6, 2009 by alex

Statistics
Examine the three samples listed here. Without performing any calculations, indicate which sample has the largest amount of variation and which sample has the smallest amount of variation. Explain how you produced your answer. a. 17 29 12 16 11 b. 22 18 23 20 17 c. 24 37 6 39 ...
September 26, 2010 by Rhea

Math-PLEASE check my answers
What types of problems can be solved using the greatest common factor? What types of problems can be solved using the least common multiple? Complete the explanation. *** Use the words 'same' and 'different' to complete the following sentences.*** Problems in which two ...
September 11, 2014 by Sam

Math
CAN SOMEONE CHECK MY ANSWERS PLEASE? What types of problems can be solved using the greatest common factor? What types of problems can be solved using the least common multiple? Complete the explanation. *** Use the words 'same' and 'different' to complete the following ...
September 11, 2014 by Sam

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.
October 7, 2008 by Joy

biology/honors
Charle Darwin made theory of natural selection but couldnt 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
May 20, 2011 by mike

englsih
As my english is not good, could you please check the grammar of the following sentence. Thank you!!! What they care about most are money, stock prices and problems concerning about finance. They may never notice that there are lots of social problems which actually need their...
August 11, 2013 by russian pilot

English
Now, let's check how well you can use the expressions you've learned. I will distribute handouts. You have to solve the problems. Are you finished? Then, I'll check the answers. Look at the answers on the blackboard. Check your answers. How many students have 10 points? Are ...
May 27, 2012 by rfvv

Physics Light and Color
The depth perception cue employed in the old-fashioned stereoscopes but not in plain photographs is: (a) variation in color, (b) variation in sharpness, (c) binocular disparity, (d) previous knowledge. (Choose one.) 
 

December 6, 2010 by Amanda

drwl / bobpursley please check
I had posted three questions at 1:48pm, 2:40pm and 2:41pm and I am having problems with them. Can you please check them for me. Thanks! Repost if you are not satisified with the responses.
March 13, 2007 by Mary

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.
October 12, 2010 by Bob

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 now it says i got ...
February 15, 2012 by Stephanie

7th grade math check
Ok I was wondering if you could check these 3 problems please. I am suppose to set these equations equal but I am not sure if did them right. I think I accidently solved these systems as substitutions. The answers are suppose to be in coordinate pairs. 1) x - y = 11 -3x + y...
April 12, 2012 by saranghae12

science
Q: which of these conditions is least likely to cause a species to become extinct due to environmental changes? A: -less genetic variation -more genetic variation -specific food preferences -more competition for food
March 3, 2013 by kate

Please check-Reiny
Could you check these two problems? 3sqrt (y+2) = 3 is y = 25 Answers were: true or false I said true because I did it like this Square both sides=y + 2 = 3^3 y+2 = 27 y = 25 and sqrt (2y-6) = 3-y for y answes are: no solution 5 3,5 3 I said 3 because I did it like this: 8y -...
October 12, 2010 by Michelle

Variation
Please check my work, the answer I am suppose to get is 17.5, but instead I got 2.5. Solve the problem. 66. y varies jointly as a and b inversely as the square root of c, y=24 when a=6,b=4, and c=49. Find y when a=2, b=5, and c=16. -I got: y=kab/ sqrt of c, y=2*5/ sqrt of 16, ...
October 12, 2007 by Soly

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