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Direct Variation

Master direct variation with interactive lessons and practice problems! Designed for students like you!

Understanding Direct Variation

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Video explanation of this concept

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Beginner

Start here! Easy to understand

Now showing Beginner level explanation.

Beginner Explanation

Simple explanation with $y = kx$ where $k$ is constant.

Practice Problems

Test your understanding with practice problems

1

Quick Quiz

Single Choice Quiz
Beginner

If $y$ varies directly as $x$ and $k = \frac{1}{3}$, find $y$ when $x = 12$.

Please select an answer for all 1 questions before checking your answers. 1 question remaining.
2

Real-World Problem

Question Exercise
Intermediate

Teenager Scenario

The distance a car travels is directly proportional to time. If it covers $60$ km in $2$ hours, how far will it travel in $5$ hours?
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3

Thinking Challenge

Thinking Exercise
Intermediate

Think About This

If $y$ varies directly with $x$ and $y = 24$ when $x = 3$, what is $y$ when $x = 100$?

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4

Challenge Quiz

Single Choice Quiz
Advanced

If $y$ varies directly as $x$ and passes through the origin, which of the following could be the equation for the line?

Please select an answer for all 1 questions before checking your answers. 1 question remaining.

Recap

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Review key concepts and takeaways