2y+6,3y and y-4 are all integers and y-4 is the median of these intergers which of the following could not be value of y?
math - MathMate, Tuesday, September 13, 2011 at 8:31am
2y+6,3y and y-4 are all integers and y-4 is the median of these intergers
2y+6≥y-4 AND 3y≤y-4
2y+6≥y-4 => y≥-10
3y≤y-4 => y≤-2
or case 2:
2y+6≤y-4 AND 3y≥y-4
which is impossible.
Now you only have to figure out the invalid choice from your list.