My Math Forum Inequality with Quotient

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September 1st, 2017, 04:23 PM   #1
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Joined: Jan 2014

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Inequality with Quotient

Hi,
I'm working on this inequality where I have to put a test point table and so I picked (0,3) U (3, to infinity) cause the signs on the table for each coordinator is the same. Where am I wrong? What's the interva notation?
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 September 1st, 2017, 05:44 PM #2 Global Moderator     Joined: Oct 2008 From: London, Ontario, Canada - The Forest City Posts: 7,821 Thanks: 1047 Math Focus: Elementary mathematics and beyond As a suggestion, Find the points of equality: $$\frac{x}{x+1}=3x\implies x(3x+2)=0\implies x=-\frac23,0$$

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