Posted by morgan on Sunday, October 14, 2012 at 5:17pm.
which of the following is an example of a proportional relationship between x and y?
A. y = 2
B. y = 3x
C. 4y + 4x = 6
D. 4y  2 = 2x  4

math  Morgan, Sunday, October 14, 2012 at 5:29pm
I couldn't even understand the question, can anyone help?

math  Ms. Sue, Sunday, October 14, 2012 at 5:34pm
http://www.mathsisfun.com/algebra/crossmultiply.html
The only choice that has y on one side and x on the other is D.

math  Morgan, Sunday, October 14, 2012 at 5:37pm
so when the quetion comes like this, x and y are impossible in one side together? but B also is y on one side and x on the other side, i am so confused.
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