# Graph the direct variation y=−1.5x. Using the graph, find: The value of x when y=−3; 4.5; 6

95,349 questions
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: 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.

asked by Joy on October 7, 2008
3. ## algebra

Graph the direct variation y=−1.5x. Using the graph, find: Reference b The value of x when y=−3; 4.5; 6

asked by Anonymous on May 1, 2016
4. ## math/graphing

Graph the direct variation y=−1.5x. Using the graph, find:The value of y corresponding to the value of x equal to 1; 0; 2; 3

asked by Anonymous on April 7, 2016
5. ## math

Graph the direct variation y=−1.5x. Using the graph, find: The value of x when y=−3; 4.5; 6

asked by unknown on January 1, 2017
6. ## algebra

How do I graph a direct variation when x=10, 20, 30, 40, and y = 4.5, 9.00, 13.50,18.00 Put x on graph going up by 10 and put y on graph at the bottom going across I am unsure of rest

asked by logan on January 21, 2015
7. ## 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

asked by josh on May 17, 2016

43. ## Calculus

The graph of f ′(x) is continuous and decreasing with an x-intercept at x = 0. Which of the following statements is false? (4 points) The graph of f has an inflection point at x = 0. The graph of f has a relative maximum at x = 0. The graph of f is

asked by Henry on February 20, 2016
44. ## 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;

asked by Billy on May 22, 2018

While on his way to school, Norman saw that the cost of gasoline was $2.50 per gallon. Write a direct variation equation to describe the cost y of x gallons of gas. Then graph. asked by David on November 16, 2010 46. ## 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 asked by abbey on May 20, 2016 47. ## Calculus Suppose f(x)= e^(-1/x). Graph this function in the window -5( asked by George on November 9, 2009 48. ## Calculus Suppose f(x)= e^(-1/x). Graph this function in the window -5( asked by George on November 8, 2009 49. ## 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.

asked by Anonymous on February 29, 2012
50. ## pre calculus

2. Graph the following function using transformations. Be sure to graph all of the stages on one graph. State the domain and range. y= -2 lxl +2 For example, if you were asked to graph y= x^2 + 1 using transformations, you would show the graph of y= x^2

asked by michelle on April 2, 2013
51. ## 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

asked by . on May 9, 2018
52. ## Algebra

1. for the data in the table, does y vary directly with x? if it does write an equation for the direct variation. 10 | 12 15 | 18 20 | 24 A. yes; y = 1.2x B. yes; y = 2x C. yes; y = x + 1 D. no; y does not vary directly with x 2. For the data in the table,

asked by Just a kid who needs help, please. on December 14, 2018
53. ## Math (Geometry)

"The graph shows types of trash in a typical American city. Find the measure of each central angle to the nearest whole number." (I do not want all the answers, I just want to know HOW to get them so I will only post the first three problems that

asked by Robert on February 21, 2008
54. ## Algebra 1

how do i graph x + y = 1 put y on one side y=-x+1 im doing an online test and its asking me to find the equation that matches the graph. But im not sure how to figure it out. well the graph should have a negative slope with 1 as y-intercept look for a

asked by Joel on March 20, 2007
55. ## Math (Integrals)

The area A between the graph of the function: g(t) = 4 - (4/t^2) and the t-axis over the interval [1, x] is: A(x) = ∫[1, x] (4 - (4/t^2)) dt a) Find the horizontal asymptote of the graph g. I believe the horizontal asymptote of graph g is g(t) = 4. b)

asked by Ray on April 6, 2017
56. ## 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

asked by Abigail on January 4, 2017
57. ## 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

asked by lol on December 19, 2014
58. ## physics

In an experiment to verify Newton's law of cooling, the temperature of hot water in a calorimeter T/oC is plotted against time t/min. Which of the following is true about the graph? a. the graph is linear and parallel to the T-axis b. the slope of the

asked by Sam on November 18, 2014
59. ## ITT

use the eight step strategy to graph f(x)=-3x2-12x-5 find the vertex find x and y intercepts determine the number of points to graph graph the parabola

asked by shan on March 4, 2015
60. ## 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

asked by Steve on February 19, 2017
61. ## 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

asked by Jane on January 6, 2014
62. ## need help

which graph would be a good answer to discribe the languages spoken? 1. a circle graph 2.line graph 3.bar graph 4.veen diagram

asked by janika on June 5, 2012
63. ## Algebra

Below is the graph of a polynomial function f with real coefficients. Use the graph to answer the following questions about f. All local extrema of f are shown in the graph. I really need help with this one but I can't post the graph.

asked by Rachal on February 4, 2011
64. ## Math

Find two quadratic functions whose graph have the given x-intercepts. Find one function whose graph opens upward and another whose graph open downdward. (-5/2,0),(-2,0)

asked by Anonymous on June 8, 2014
65. ## math

how to graph this y=6x+20 Graph the y-intercept. Show the lines that indicate the use of slope to graph two more points Draw the line representing the graph of the equation

66. ## College Algebra

Graph the following function using transformations. Be sure to graph all of the stages on one graph. State the domain and range. y = -SQRT x - 6. My instructor is saying that I have to do more than one graph. Can anybody help me I am lost!

asked by Kameesha on July 27, 2012
67. ## graphing help?

Graph ​ g(t)=4sin(3t)+2 ​. Use 3.14 for π . Use the sine tool to graph the function. The first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point. How would I graph this? I have

asked by sasha on May 4, 2017
68. ## Calculus

The function g is defined for x>0 with g(1)=2, g'(x)=sin(x+1/x), and g"(x)=(1-1/x^2)cos(x+1/x). A. Find all values of x in the interval 0.12

asked by Sarah on May 7, 2015
69. ## 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!

asked by Caitlyn on December 2, 2010
70. ## Noun

physics: pls!!!!! i need ur help. in an experiment to verify Newton's law of cooling, the temperature of hot water in a calorimeter $T/^{o}C$ is plotted against time t/min. Which of the following is true about the graph? (a) The graph is linear and

asked by basil on September 24, 2015
71. ## 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.

asked by ME on June 11, 2016
72. ## 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

asked by alex on October 6, 2009
73. ## Fucntion Changes

I am having some trouble figuring out to find where a graph decreses and increases. These are the directions: Identify the intervals where the functionis changing as requested. 5. On this graph it wants to find where it is increasing. How would I find out

asked by Jesse on September 1, 2007
74. ## math (4)

Sketch the graph (Do this on paper. Your teacher may ask you to turn in this graph.) and find the area of the region bounded below by the graph of the function and above by the x axis from x = 0 to x = 1. f(x) = -xe^(-x^2) x=0 x=1

asked by Vanessa on April 23, 2014
75. ## math (4)

Sketch the graph (Do this on paper. Your teacher may ask you to turn in this graph.) and find the area of the region bounded below by the graph of the function and above by the x axis from x = 0 to x = 1. f(x) = -xe^(-x^2)

asked by Vanessa on April 24, 2014
76. ## math (4)

Sketch the graph (Do this on paper. Your teacher may ask you to turn in this graph.) and find the area of the region bounded below by the graph of the function and above by the x axis from x = 0 to x = 1. f(x) = -xe^(-x^2)

asked by Mia on April 25, 2014
77. ## math

You want to make a graph to show how you spend your time each day. What would be the best graph for this data? A. Circle graph B. Line graph C. Histogram D. Stem_and leaf plot Is the answer A? Thank you

asked by Anonymous on March 19, 2015
78. ## Algebra Help

5. 3x + y = 2 Graph A Graph B Graph C Graph D (let me know how i can send you the pictures of the graphs ) i chose graph c

asked by Annaleigh on May 27, 2016
79. ## Algebra

1.what is the range of f(x)=2. 2. How to graph f(x)=5x. 3. How to graph f(x)=-3x^2-1. 4. How to graph f(x)=-2\sqrt{x}. 5. How do we graph -4/x/. 6.It is curved at 1 on the graph. How to solve f(x)=2.

asked by Key on September 17, 2017
80. ## Calculus

"The graph of y = g(t) is provided below. Based on the graph, where is ln(g(x)) continuous?" I did not include the graph but I would like to know in what ways does ln effect the continuity of a graph. Thanks.

asked by Josh on October 14, 2013
81. ## math

Which kind of graph will not let you calculate the range? Is it a bar graph, line graph, circle graph, or a pictograph?

asked by Kevin Clary on March 28, 2011
82. ## Math

Graph the solution of each compound inequality. f > -1 and f < 5 Does this mean I just graph those 2 or solve them and find the intersection then graph?

asked by Anonymous on January 5, 2010
83. ## calculus

Let f x   coth x . Use the Graph software posted in Moodle to do the following: (a) Graph f x  . (b) Graph the tangent and normal lines to the graph of f x  at x 1. (c) Graph f x  . (d) From the graphs obtained in parts (a)

asked by fatma on April 19, 2014
84. ## calculus

answer the questions about the following function f(x)= 10x^2/x^4+25 a. is the point (-sqrt 5,1) on the graph b. if x=3, what is f(x)? what point is on the graph of f? c. if f(x)=1, what is x? what points are on the graph? d. what is the domain of f? e.

If you have 78.1% nitrogen,20.9% oxygen,.9% Argon and small amounts of other gases Which graph type would best display the data? Line graph bar graph pie graph stem and leaf plot

asked by jill on December 2, 2010
86. ## 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.

asked by natalie on February 18, 2016
87. ## Math

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

asked by Mike on November 28, 2016

find the slant asymptote of the graphof the rational function. 1.f(x)=x^2-x-2/x-7 y=? 2. determine the symmetry of the graph of f. a. the graph has y-axis symmetry f(-x)=f(x) b. the graph has orgin symmetry f(-x)= -f(x) c. the graph has both y-axs and

asked by anonymous on January 9, 2013
89. ## 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 |

asked by David on November 17, 2010
90. ## 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 |

asked by David on November 17, 2010
91. ## Calculus

If you can helpme on this problem you are GOD. If f(x) = ax^2 + bx + c, what can you say about the values of a, b, and c if: (A) (1,1) is on the graph of f(x)? (B) (1,1) is the vertex of the graph of f(x)?[Hint: The axis of symmetry is x = -b/(2a).] (c)The

asked by George on September 2, 2008
92. ## 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

asked by Martin1162 on May 17, 2016
93. ## 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

asked by help on December 17, 2018
94. ## 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

asked by Martin1162 on May 17, 2016
95. ## algabra

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

asked by michael on November 27, 2007
96. ## Help MATH

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

asked by DirectHelp on February 16, 2017
97. ## algerbra

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

asked by dan on November 26, 2007

Please explain to me how to do the following problems, I don't understand them. Thanks! Find the x-intercepts (if any) for the graph of the quadratic function. 1.f(x) = (x + 2)2 - 4 Find the y-intercept for the graph of the quadratic function. 5.y + 9 = (x

asked by Carmen on October 13, 2007
99. ## chemistry help meee

okay so I'm given a graph of a melting profile of a macromolecule, it is a sigmoid "s" curve, which states that a protein is cooperative. I have four choices on what the graph will look like if it is uncooperative. 1) Graph 1- straight line with + slope 2)

asked by paul on May 7, 2015
100. ## PRE - CALCULUS

Graph the function. Then use your graph to find the indicated limit. You do not have to provide the graph f(x) = 5x - 3,lim x -->5 f(x)

asked by Ciara on April 14, 2015