Online College Courses for Credit

Combined Variation

Combined Variation

Author: Graham Pardun

This lesson introduces combined variation problems and demonstrates how to solve them.

See More

Try Our College Algebra Course. For FREE.

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to many different colleges and universities.*

Begin Free Trial
No credit card required

37 Sophia partners guarantee credit transfer.

299 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 33 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


How to Recognize, Set Up, and Solve Combined Variation Problems

Combined variation problems are of the type "Y varies directly as X and inversely as Z." In this lesson, I'll show you how to translate real-world combined variation problems into equations, solve for the constant of variation, and then use your equation to solve for some interesting information!