Direct Variation
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More Lessons for Grade 9 Math
Math Worksheets
Examples, solutions, videos, worksheets, and activities to help Algebra and Grade 9 students learn about direct variation or direct proportion.
The following diagram shows direct variation. Scroll down the page for more examples and solutions.
We often use the term direct variation to describe a form of dependence of one variable on another. An equation that makes a line and crosses the origin is a form of direct variation, where the magnitude of x increases or decreases directly as y increases or decreases. Direct variation and inverse variation are used often in science when modeling activity, such as speed or velocity.
Direct Variation Applications
Direct Variation
Learn what it means for variables to vary directly.
Direct Variation
Examples of direct variation
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
More Lessons for Grade 9 Math
Math Worksheets
Examples, solutions, videos, worksheets, and activities to help Algebra and Grade 9 students learn about direct variation or direct proportion.
The following diagram shows direct variation. Scroll down the page for more examples and solutions.
We often use the term direct variation to describe a form of dependence of one variable on another. An equation that makes a line and crosses the origin is a form of direct variation, where the magnitude of x increases or decreases directly as y increases or decreases. Direct variation and inverse variation are used often in science when modeling activity, such as speed or velocity.
Learn what it means for variables to vary directly.
Examples of direct variation
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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