9.4 Skills Practice: Direct, Joint, and Inverse Variation
In this variation instructional activity, students identify direct, joint and inverse variations. They name the constant of the variation. This one-page instructional activity contains twenty-four problems.
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Direct, Joint, and Inverse Variation
Here is a quick guide to direct, joint, and inverse variation used in realistic situations. Each topic has a page of notes and examples followed by practice problems. The resource explains each type of variation and provides their...
8th - 11th Math CCSS: Adaptable
Multiplicative Inverses of Matrices and Matrix Equations
Young mathematicians so often have a love-hate relationship with matrices and their inverses. They love the idea of a quick algorithmic way to solve systems of equations, but get stuck in the arithmetic precision required by the method....
10th - 12th Math CCSS: Adaptable
Physics Skill and Practice Worksheets
Stop wasting energy searching for physics resources, this comprehensive collection of worksheets has you covered. Starting with introductions to the scientific method, dimensional analysis, and graphing data, these skills practice...
9th - Higher Ed Math CCSS: Adaptable
Module 3: Arithmetic and Geometric Sequences
Natural human interest in patterns and algebraic study of function notation are linked in this introductory unit on the properties of sequences. Once presented with a pattern or situation, the class works through how to justify...
8th - 10th 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 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