SOLUTION: which numbers can not be used in place of the variable in the rational expression? 2y+1/y^2-y-6

Question 322524: which numbers can not be used in place of the variable in the rational expression?
2y+1/y^2-y-6
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Set the denominator polynomial equal to zero and solve the resulting quadratic equation. The zeros of the denominator polynomial are the values that must be excluded from the domain of the rational function.

John

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