Direct Variation

Sick of ads?‚Äč Sign up for MathVids Premium
Taught by MrLovellFord
  • Currently 4.0/5 Stars.
8783 views | 1 rating
Meets NCTM Standards:
Features a SMART Board
Lesson Description:

Taking a direct variation relationship and finding new values of unknown quantities based on the k of variation. Other solution method is equivalent ratios and usage of cross products.

Questions answered by this video:
  • What is direct variation?
  • What are some examples of direct variation?
  • What is the equation for basic direct variation?
  • How do you write an equation for direct variation from a word statement?
  • If a tub is being filled up at 1.5 gallons per minute, how long will it take to fill a 45-gallon tub?
  • What is a variation constant and how do you find it?
  • How do you solve a direct variation word problem using equivalent fractions and cross multiplication?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson explains some examples of direct variation, how to write direct variation equations from the scenarios, and finally, how to solve a direct variation problem. The concepts in this lesson are explained very well.