Find the number of square units bounded by the x-axis, the y-axis and the line x+y=8.
Graph the line equation to see the x and y-axis intercepts (or realize by subbing in x = 0 and y = 0 that the intercepts are both 8)
right triangle with legs = 8
area = 1/2 b * h = 1/2 *(8)(8) 32 units2