Question

Find all numbers for which the rational expression is undefined.
frac{t^3 -9t}{t^2 -36}

Answer 1

\[\frac {t^3 -9t}{t^2 -36}\]

Answer 2

Where t^2 - 36 = 0
(t+6)(t-6) = 0
Where t = -6, 6

Answer 3

Well, actually. The denominator cannot equal 0 otherwise the equatioon becommes undefined.

Answer 4

I don't even know what the question is asking. Can someone explain so I can help?

Answer 5

The question is asking "The numbers for which the rational expression is undefined are _

Answer 6

So to make the expression undefined you would need the denominator to equal zero. That person was right, lol, my bad.

Answer 7

It's cool :) Thanks for the reassurance

Answer 8

\[(t^3−3)/(t^2-36) =t (t−3)(t+3) /(t-6)(t+6) \]