SOLUTION: Is 8 a solution of x < -1 or x > 7? true or false

Algebra ->  Graphs -> SOLUTION: Is 8 a solution of x < -1 or x > 7? true or false      Log On


   

Question 547281: Is 8 a solution of x < -1 or x > 7?
true or false
Answer by mathie123(224) About Me  (Show Source):
You can put this solution on YOUR website!
This is true.
Substituting x=8 we get
8>-1 (which does not agree with the first statement)
and
8>7 (which agrees with the second statement)
Since there is an or between the two statements, only one of them must be true. Therefore 8 is a solution of x<-1 or x>7.