SOLUTION: Is 9x+11zy=12y linear? And write it in standard form

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Question 990987: Is 9x+11zy=12y linear? And write it in standard form
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
9x+11zy = 12y

No, that's not linear because it is of degree 2 since it has a term 
in which 2 letters are multiplied together, z and y.

A linear equation can have no letters multiplied together such as x2, xy, etc.  

In standard form it is solved for y:

9x+11zy = 12y

9x = 12y-11zy

9x = y(12-11z)

9x%2F%2812-11z%29%22%22=%22%22y

y%22%22=%22%229x%2F%2812-11z%29

Edwin