The slope of a line is 1/21/21/2 and it passes through (4,2)(4, 2)(4,2). What is its equation?
y=1/2xy = 1/2xy=1/2x
y=1/2x+1y = 1/2x + 1y=1/2x+1
y=1/2x+2y = 1/2x + 2y=1/2x+2
y=2x+1y = 2x + 1y=2x+1