(35 points)is x=1 and y=1 perpendicular or paralell to eachother or neither
2 answers:
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For this case we have the following expression:
By definition, a coefficient is the term that accompanies one or more variables.
For example:
The coefficient of the linear term is 3.
So, in the given expression we have to:
-4 is the term that accompanies the variables xy.
Answer:
-4