Lesson: Direct Variation
In this lesson, we will learn how to describe direct variation between two variables and use this to solve word problems.
Sample Question Videos
Worksheet: 20 Questions • 6 Videos
Dalia uses cups of flour to make 20 biscuits. She makes a second batch using cups of flour to make 30 biscuits. Is the amount of flour she uses directly proportional to the number of biscuits she bakes?
Given that , and when , find the value of .
Which of the following relations represents a direct variation between the two variables and ?