
Steve S. answered 01/09/14
Tutor
5
(3)
Tutoring in Precalculus, Trig, and Differential Calculus
y = 5 is an equality and its graph is a horizontal line with all points being (x,5).
y <= 5 is a solid line for y = 5 and shading of the plane below y = 5. Solution points are either (x,5) or (x, y where y < 5).