How do I graph and show shading for -4x + 5y ≥ 20?
-4x+5y ≥ 20
5y ≥ 4x + 20
y ≥ (4/5)x + 4
Graph the line y = (4/5)x+4 as a solid line. The region on the line is where y = (4/5)x+4. The region above the line is where y>(4/5)x+4. Shade in the region above the line.