SOLUTION: Solve for x in the inequality: -1 is less than (x+2)/(x-3) Any tips, tricks, advice for other inequality problems is greatly appreciated as well as help with this problem! Th

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Question 988807: Solve for x in the inequality:
-1 is less than (x+2)/(x-3)

Any tips, tricks, advice for other inequality problems is greatly appreciated as well as help with this problem! Thank you in advance!

Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

Solve for x in the inequality:
-1 is less than (x+2)/(x-3)

Any tips, tricks, advice for other inequality problems is greatly appreciated as well as help with this problem! Thank you in advance!
, with  as this would make the denominator 0, and therefore, an UNDEFINED inequality 
----- Multiplying both sides by LCD, x - 3

-------- Subtracting 3 from both sides

--------- Subtracting x from both sides

-------- Inequality sign changes when dividing by a negative value

Now, we have the CRITICAL VALUES:
This means that we will have THREE (3) TEST-INTERVALS to determine whether or not values
in the intervals SATISFY the ORIGINAL inequality: . These TEST INTERVALS are:
1)
2) , and
3)
Testing with test value: , becomes:


As the above is TRUE, the test-interval: IS a solution
Testing with test value: , becomes:


As the above is FALSE, the test-interval: IS NOT a solution
Testing with test value: , becomes:


As the above is TRUE, the test-interval: IS a solution
In interval notation, this is: (- oo, ½) ᑌ (3, oo) , or () ᑌ ()
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