Solve an inequality and write using interval notation

label Algebra
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Solve the following inequality.

(-x - 4) / (x+5) > 0 

Write your answer using interval notation 

Oct 22nd, 2015

Thank you for the opportunity to help you with your question!

The answer : 

we have : 

(-x - 4) / (x+5) > 0  

so to calculate it should : 

-x - 4 = 0  and x + 5 =/= 0 

so : 

x = -4  and  x =/= -5 

so the table of variation: 

Sanddde.png 

so we have > so : 

s = ]-5,-4[


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Oct 22nd, 2015

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