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www.khanacademy.org/math/algebra-home/alg-rational-expr-eq-func/alg-direct-and-inverse-variation/v/proportionality-constant-for-direct-variation

Worked example: y is directly proportional to x, and y=30 when x=6. Find the value of x when y=45.

courses.lumenlearning.com/intermediatealgebra/chapter/read-variation

You can use the car and tire equation as the basis for writing a general algebraic equation that will work for all examples of direct variation. In the example, the ...

courses.lumenlearning.com/waymakercollegealgebra/chapter/direct-variation

Example: Solving a Direct Variation Problem. The quantity y y varies directly with the cube of ...

www.cliffsnotes.com/study-guides/algebra/algebra-i/functions-and-variations/variations

Example 2. If y varies directly as x, find the constant of variation when y is 2 and x is 4. Because this is a direct variation,. y = kx (or y = mx). Now, replacing y with .....

www.brainfuse.com/jsp/alc/resource.jsp?s=gre&c=35151&cc=108823

From the graph we can see whether the value of k is positive or negative. Example. Find the constant of variation and ...

www.shmoop.com/rational-functions/direct-rational-variation-examples.html

Example 2. If y varies directly with x, and the constant of variation is k = ½ , find y when x = ...

www.freemathhelp.com/direct-variation.html

If I buy 10 gallons, the price is \$30. In this example the total cost of milk and the number of gallons purchased are subject to direct variation -- the ratio of the cost to ...

www.basic-mathematics.com/direct-variation.html

Real life example of direct variation. You are probably familiar with lighting. The distance that you are from lighting and the time it takes you to hear thunder could  ...

www.ck12.org/book/ck-12-algebra-basic/section/4.6

Feb 23, 2012 ... This situation is an example of a direct variation. You would expect that the strawberries are priced on a “per pound” basis, and that if you buy ...

www.varsitytutors.com/hotmath/hotmath_help/topics/constant-of-variation

The constant of variation in a direct variation is the constant (unchanged) ratio of two variable quantities. ... The formula for direct variation is ... Example 1:.