SOLUTION: how do i graph the answer to (x+1)(x+5) < 0 on a number line

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Question 933707: how do i graph the answer to (x+1)(x+5) < 0 on a number line
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Break up the number line into three regions based on the zeros of the left hand side (-5,-1).
Region 1: (-infinity,-5)
Region 2: (-5,-1)
Region 3: (-1,infinity)
Choose a point in the region (not an endpoint).
Test the inequality.
If the inequality is satisfied, the region is part of the solution region.
Region 1: x=-6
%28-6%2B1%29%28-6%2B5%29%3C0
%28-5%29%28-1%29%3C0
5%3C0
False
Region 2: x=-2
%28-2%2B1%29%28-2%2B5%29%3C0
%28-1%29%283%29%3C0
-3%3C0
True
Region 3: x=0
%280%2B1%29%280%2B5%29%3C0
%281%29%285%29%3C0
5%3C0
False
So the solution region is -5%3Cx%3C1.