Ask your own question, for FREE!
Mathematics 21 Online
OpenStudy (anonymous):

-23/21z find all numbers for which the rational expression is undefined

OpenStudy (anonymous):

21z=0, solve for z

OpenStudy (anonymous):

z=0

OpenStudy (anonymous):

whatever value makes the denominator zero

OpenStudy (anonymous):

so -21z?

OpenStudy (saifoo.khan):

it's 0.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!