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Direct Variation  Problem 1
Carl Horowitz
Carl Horowitz
University of Michigan
Runs his own tutoring company
Carl taught upperlevel math in several schools and currently runs his own tutoring company. He bets that no one can beat his love for intensive outdoor activities!
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Carl Horowitz
B.S. in Mathematics University of Michigan
He knows how to make difficult math concepts easy for everyone to understand. He speaks at a steady pace and his stepbystep explanations are easy to follow.
Concept (1)
Sample Problems (5)
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Direct Variation
Problem 1 4,785 viewsy varies directly as the cube of x.
If y = 32 when x = 2, find y when x = 3. 
Direct Variation
Problem 2 3,910 viewsA ball is dropped from the top of a building. The distance the ball falls is directly proportional to the square of the time it has been falling.
If a ball falls 48 feet in 2 seconds, find how far it has fallen after 6 seconds. 
Direct Variation
Problem 3 414 views 
Direct Variation
Problem 4 381 views 
Direct Variation
Problem 5 379 views
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