SOLUTION: what is the graph of the rational function y=(x-1)(x-5)/(x+3)(x-3)

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Question 745684: what is the graph of the rational function y=(x-1)(x-5)/(x+3)(x-3)
Answer by josgarithmetic(39628) About Me  (Show Source):
You can put this solution on YOUR website!
Zeros at +1 and +5. Vertical asymptotes at x=-3 and x=3. Check especially the sign for the intervals x%3C-3, -3%3Cx%3C1, 1%3Cx%3C3. Also check sign for x%3E3. You use all these things to help sketch the graph.


graph%28300%2C300%2C-5%2C8%2C-20%2C20%2C%28x-1%29%28x-5%29%2F%28x%2B3%29%28x-3%29%29