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) (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: (,)
Region 2: (,)
Region 3: (,)
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:
False
Region 2:
True
Region 3:
False
So the solution region is .
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