How do you determine whether (-1, -1) and (1, -1) is a solution to #y > x - 2 #?

1 Answer
Jul 19, 2015

#(-1, -1)# is a solution to #y>x-2#.

#(1, -1)# is not a solution.

Explanation:

Substitute the values into the inequality.

First Possible Solution

#(-1, -1)#

#y>x-2# =

#-1> -1-2# =

#-1> -3#

This is a correct statement.

#(-1, -1)# is a solution for this inequality.
http://www.sparknotes.com/math/algebra1/inequalities/section4.rhtml

Second Possible Solution

#(1, -1)#

#y>x-2#

#-1>1-2#

#-1> -1#

This is an incorrect statement. #-1=-1#

#(1, -1)# is not a solution for this inequality.