SOLUTION: Which numbers cannot be used in place of the variable in each rational expession?
2y+1/y^2-y-6
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Algebra.Com
Question 177023: Which numbers cannot be used in place of the variable in each rational expession?
2y+1/y^2-y-6
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Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Which numbers are not allowed in the denominator? The values of y that make the denominator = zero. So, set the denominator = to zero and solve for the values of y that satisfy the equation.
Factor the equation.
Apply the zero product rule.
or so...
or These are the "excluded" values of y.
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