Homework Help: Algebra

Posted by Anneliese on Tuesday, November 3, 2009 at 6:07pm.

I had to find the zeroes of (2t-3)/(t+5). I thought one of the answers could be -5, in addition to 3/2. But my book says -5 isn't an answer. Why?

Algebra - drwls, Tuesday, November 3, 2009 at 6:11pm
When t = -5, the DENOMINATOR is zero, and the function (2t-3)/(t+5) becomes infinity

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