Direct, Inverse, And Joint Variation
Students engage in a lesson that has them practice solving equations using multiplication and division. They practice solving problems using the properties needed and then students practice changing word problems into an equation.
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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 Solve a Word Problem Using Inverse Variation?
Don't panic! There is a pretty simple straightforward formula to solve this problem. Some of the words are a bit overwhelming: indirect variation, inverse, constant of variation, indirect proportionality. But one simple formula and just...
3 mins 8th - 11th 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