4 y varies directly with x. Y x b.
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If y 4 when x 2 find y when x 6.
Direct variation worksheet pdf. A y 7 3 x 1. Xy 3 5. Constant of variation table.
Direct joint and inverse variation direct variation a linear equation of the form y kx with k 0 is called direct variation. A direct variation is a situation in which two quantities increase or decrease at the same rate. Direct variation worksheet tell whether the equation represents direct variation.
Gallons 3 miles x 25 50 75 100 gallons y 1234 compare the ratios to check for a common ratio. If so identify the constant of variation. 3 6 given that y varies directly with x write the equation that relates x and y.
If y 40 when x 16 find x when y 5. Xy 14 28 312 416 3. If so state the constant of variation.
1 y varies directly with x. 3 y varies inversely with x. Section 3 7 direct variation 139 tell whether x and y show direct variation.
Y 5x 4. Direct variation worksheet 1. Y 1 x exercises 8 21 example 3 using a direct variation model the height y of a television screen varies directly with its width x.
1 6 1 8. 1 circle the equation that is not an example of direct variation. B y 5 16 x c y 4x d y 9x 2 circle the equation that is a direct variation equation.
Which equation is not an example of a direct variation. Which equation is not an example of a direct variation. That s because his pay varies directly as the number of hours worked.
Direct variation worksheet write the direct variation formula what is a called. Xy 0 2 11 24 37 2. Miles 1 25 2 50 or 1 25 3 75 or 1 25 4 100 or 1 25 since the ratios are the same the function is a direct variation.
A mechanic who is paid hourly knows that working longer means making more money. The constant of. Xy 24 12 00 12 4.
Choose any four problems from above except 1 to graph on the graphs provided below. Featuring the values of x and y in direct variation this pdf worksheet provides adequate practice in finding the constant of variation. Y 9x 2.
Number each graph with the corresponding problem number and be sure to give each graph a title and to number and label each of the axes. 2 y varies inversely with x. Where is the y intercept of any direct variation equation.
If the value of one variable doubles. Determine whether each linear function is a direct variation. If y 7 when x 4 find y when x 5.
Direct and inverse variation worksheet name find the missing variable. X 1 3 y 6. The variable y varies directly with the variable x in other words the variables change at the same rate.
Y 4x d. As his hours increase so does the amount of his paycheck. 5x 6y 30 name the constant of variations k for each equation.
2x 3y 0 c. Find the ratio of y to x to determine the value of k and use it to fill in the table with the missing values.
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