If equation encloses a certain region on the coordinate plane |x|+|y|=5, what is the area of that region?
5
10
25
50
100
5
10
25
50
100
|x|+|y|=5 represents four lines in the four quadrants
x+y=5
x-y=5
-x-y=5
x-y=0
forming a square with side 10.
Area = 100
