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In this direct variation worksheet, students answer 4 multiple choice questions that involve identifying a direct and constant variation and writing the direct variation equation.
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Determining Direct Variation
Once learners realize what direct variation is, they see it's just a type of linear function. The instructional activity poses a general question that leads to the creation of the y = kx formula. The resource includes discussion prompts...
8th - 11th Math CCSS: Adaptable
Recognizing Direct and Inverse Variation
Sometimes it is not always obvious which equations are direct variation and which are inverse variation. In this video, five different equations are considered. Each is manipulated and rewritten to determine whether there is a direct or...
7 mins 9th - 11th Math
How Do You Write an Equation for Direct Variation from a Table?
y=kx. This is the direct variation equation. You have been given a table of values. So look at the table and figure out how to use this equation to write an equation that represents what is happening in the table. Does the equation...
3 mins 8th - 11th Math
How Do You Use the Formula for Direct Variation?
Use the formula for direct variation to solve for y, after finding the value of k. When you use the formula and determine the value of k and x, you can plug in those values to determine the value of y. A quick tutorial that takes you...
2 mins 8th - 9th Math
What's the Direct Variation or Direct Proportionality Formula?
Direct variation? Constant of variation? Constant of proportionality? Two variables related? If one variable changes what happens to the other variable? What do all these terms have to do with each other? Watch this video as the...
3 mins 6th - 9th Math