Question

q^3-2q/q^2-81
Find all numbers for which the rational expression is undefined

Answer 1

You cannot divide by zero. q = 0 is where the expression will be undefined.

Answer 2

when Q= 9

Answer 3

Noru brings up a good point. USE THE EQUATION EDITOR

Answer 4

what confused me is that it said to seperate answers with comma. Does that mean there are two answers?

Answer 5

yes, Q=-9

Answer 6

what do you mean an eqyation editor?

Answer 7

Noru is also, wrong, it is q =9,-9

Answer 8

There should be an equation editor for questions, but I guess there isn't. Use parentheses. I couldn't understand your expression, which is why I gave a wrong answer

Answer 9

ok. no no equation editor that I can find.

Answer 10

thank you for your help