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Curated Video
Direct Variation
In this video, we define direct variation and work an example problem.
Curated Video
Joint Variation
In this video, we work some problems that have more than one type of variation.
Brian McLogan
How to determine if a function y varies directly with x from a table
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Brian McLogan
Master Solve for the missing variable when y varies directly with x
Master Solve for the missing variable when y varies directly with x
Brian McLogan
Tutorial - Solve for the missing variable when you have two direct variations ex 2
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you...
Brian McLogan
Master Solving for the missing variable when y varies directly with x with fractions
Master Solving for the missing variable when y varies directly with x with fractions
Brian McLogan
How to use proportions and direct variation to solve for x
👉 Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Khan Academy
Khan Academy: Algebra: Recognizing Direct and Inverse Variation
Video showing how to manipulate sample equations to see if they represent direct or inverse variation or neither. Gives examples of values that make the equations true to explore further what is happening with the equations. Includes...
Khan Academy
Khan Academy: Algebra: Direct Variation 1
Video solving a direct variation problem about amounts of gas and the cost of filling up a car. Includes link to additional practice at the top of the video. [3:39]