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A direct variation is a situation in which two quantities increase or decrease at the same rate. A mechanic who is paid hourly knows that working longer means making more money. That's because his pay varies directly as the number of hours worked. As his hours increase, so does the amount of his paycheck.

Direct Variation Worksheet 1. Which equation is not an example of a direct variation? A. 1 B. C. y = 4x D. y = -9x 2. Which equation is not an example of a direct variation? A. y = x B. 2x + 3y = 0 C. D. 5x + 6y = 30 Name the constant of variations(k) for each equation. 3. y = 5x 4 ...

Is each equation a direct variation? If it is, find the constant of direct variation. If not explain why. Remember that direct variations have no constants and ...

DIRECT, JOINT, AND INVERSE VARIATION DIRECT VARIATION A linear equation of the form y=kx with k!0 is called direct variation. The variable y varies directly with the variable x.In other words, the variables change at the same rate: If the value of one variable doubles,

Solve for k (the constant of variation) . 1200=k(5000)(3) k=0.08 Use the formula, k, and the new values. I=0.08(7500)(4)=2400 Problems Write an equation of variation to represent the situation and solve for the missing information. 6. The cost c of materials for a deck varies jointly with the width w and the length l. If c=$470.40 w hen w=12 and

Direct Variation. Worksheet. (Set A). 1. Which equation is not an example of a direct variation? A. y = x+1 B. y = x C. y = 4x D.y=-9x.

Write the direct variation equation that passes through the given point and sketch its graph using a ruler. Label the coordinates of THREE points on the ...

4­5 Direct Variation 1. Identify, write, and graph direct variation. Chefs can use direct variation to determine ingredients needed for a certain number of servings. Direct Variation Introduction: y = kx A direct variation is a special type of linear relationship that can be written in the form y = kx,

Direct Variation Worksheet. Write the direct variation formula ______ What is a called? Where is the y–intercept of any direct variation equation?

Direct Variation. 3.7. How can you use a graph to show the relationship between two variables that vary directly? How can you use an equation?

The quintet multiple response pdf worksheets have exercises for learners to observe equations, graphs and recognize the type of variation as direct (linear ...

Step 2: Determine the constant of variation Formula: . "0 12 3 4 "0 5666 7 "0 k = 2250 (constant of variation) Step 3: Write the direct variation equation Formula: y = kx or i = kh i = 2250h (direct variation equation) b. Estimate how many hours it would take the restaurant to earn $20,250. i = 2250h (direct variation equation)

Direct and Inverse Variation Worksheet. Name: Find the Missing Variable: 1) y varies directly with x. If y = -4 when x = 2, find y when x = -6.

a direct variation? Direct Variation Word Problems Example: A local fast food restaurant takes in $9000 in a 4 hour period. Write a direct variation equation for the relationship between income and number of hours. Estimate how many hours it would take the restaurant to earn $20,250. a. Write a direct variation equation for the income in any ...

W j SMwaqd he1 Kw Ji 8t3h2 4Iqn1fSi 6nBi etuex gA vl 8gSe Jb Lrba1 Q1 3.S Worksheet by Kuta Software LLC ©y D2Z001 C3x UKdu wt3ae pSYoDfDtOwtaBrpe d wL5LlC R.f v EAbl Nl f tr XiLgPhYtPs G jrFeOsWerCvIesd3. 9 (2-10) Direct & Indirect Variation ID: 1 Name_____ Name the CONSTANT of VARIATION for each equation.

Step 2: Determine the constant of variation Formula: . "0 12 3 4 "0 5666 7 "0 k = 2250 (constant of variation) Step 3: Write the direct variation equation Formula: y = kx or i = kh i = 2250h (direct variation equation) b. Estimate how many hours it would take the restaurant to earn $20,250. i = 2250h (direct variation equation)

W j SMwaqd he1 Kw Ji 8t3h2 4Iqn1fSi 6nBi etuex gA vl 8gSe Jb Lrba1 Q1 3.S Worksheet by Kuta Software LLC ©y D2Z001 C3x UKdu wt3ae pSYoDfDtOwtaBrpe d wL5LlC R.f v EAbl Nl f tr XiLgPhYtPs G jrFeOsWerCvIesd3. 9 (2-10) Direct & Indirect Variation ID: 1 Name_____ Name the CONSTANT of VARIATION for each equation.

For each problem below, answer the question that is stated, then state the constant of variation for each problem and write an equation in y = kx form to ...

Which equation is not an example of a direct variation? A. y = x. B. 2x + 3y = 0 C. D. 5x + 6y = 30. Name the constant of variations(k) for each equation.