The graph of a relation is shown.
which of these values could be the slope of the line?
select two options.
0-2
mark this and return
save and exit
sede
-2
-8/5
0
7/4
3

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.