Y = mx + c
point p = (2 , 0)
x1 = 2 and y1 = 0
the line with y = -5
for y = -5 then x = 0
(0 , -5)
slope = y2 - y1 / x2 - x1
x1 = 2, y1 = 0, x2 = 0 and y2 = -5
slope = -5 - 0 / 2 -0
slope = -5/2
(y - y1) = m(x - x1)
y - 0 = -5/2(x - 2)
y = -5/2 *x - (-5/2 *2)
y = -5/2x + 5/2 *2
y = -5/2x + 1