Asked by Person

Suppose y varies directly with x. Write a direct variation equation that relates x and y.

y=10.4 when x=4

y=3.4x*
y=3.8x
y=3.2x
y=2.6x
Answered by Steve
y/x = 10.4/4 = 2.6

y = 2.6x

Geez! 3.4*4 = 13.6

Maybe you could show your work, so we can see where you are taking a wrong turn. Or are you just guessing so we'll think you tried?
Answered by Person
I honestly don't understand this subject at all. Could you explain it to me please?
Answered by Ms. Sue
What part of this don't you understand?

y/x = 10.4/4 = 2.6

y = 2.6x
Answered by Person
I don't really understand any of it. What is a direct Variation, how do I find it?
Answered by Ms. Sue
http://www.mathwords.com/d/direct_variation.htm
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