Homework Help: math

Posted by prethy on Wednesday, September 8, 2010 at 7:40pm.

state the restrictions on the variables

x/x-y

would the restrictions be x be 1 and y be zero

math - Henry, Thursday, September 9, 2010 at 7:37pm
Restrictions are values of x and y that causes the denominator to = 0.

x / (x - y),
Set denominator = 0:
x - y = o
solve for x:
x = y,
So when x = y , the denominator = 0.

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