SOLUTION: solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. x-9/x+1 >0

Algebra ->  Inequalities -> SOLUTION: solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. x-9/x+1 >0      Log On


   



Question 156336: solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
x-9/x+1 >0

Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
(press Show source to see the signs better)
sign x-9 ---------------------0+++++++
9
sign x+1 --------------0+++++++++++++++++
-1
sign (x-9)/(x+1) ++++++++++++++NE------0++++++++++
-1 9
where NE means not exists
Solution set: (-inf,-1)U([0,inf)