
9.18 Direct Variation
Presentation
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Mathematics
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9th - 12th Grade
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Practice Problem
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Hard
Standards-aligned
Nicole Richardson
Used 6+ times
FREE Resource
25 Slides • 6 Questions
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Math Response
(7 min) A car wash tracks the number of gallons of soap they used each month. How many gallons of soap does the car wash use per month? (Activity Sheet)
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Math Response
(3 min) Lap 1: Mr. Simmons gave his students a linear function where y varies directly with x. What is the constant of variation?
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Multiple Choice
(5 min) Lap 2: The value of y varies directly with x. When y = −78, x = 6. What is the value of y, when x = 11?
143
−156
−143
−71
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Multiple Select
(5 min) Annotate: A group of track athletes tracks the amount of sports drink they consume based on the number of minutes they practice. If the ounces consumed varies directly with the number of minutes, which two athletes reflect the same relationship? (activity sheet)
Ralph
9 ounces in 12 min
Billy
8 ounces in 6 min
Joey
10.2 ounces in 17 min
Travis
21 ounces in 28 min
14
Multiple Choice
(5 min) Annotate: Lap 3: A chef records how much rice is used to make paella. The number of servings vary directly with the number of cups of rice are used. If the chef wants to make 42 servings, how many cups of rice will be needed?
(activity sheet)
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9.5
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Drag and Drop
The k value is
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