Phương trình đường thẳng

a.x + b.y + c = 0

M\;=\;(- \frac{ c }{a };0) 

N\;=\;(0;- \frac{ c }{b }) 

O = Intersect(yAxis, xAxis)
a = 1.8 (slider from -10 to 10, step 0.1)
b = 2.6 (slider from -10 to 10, step 0.1)
c = -6 (slider from -10 to 10, step 0.1)
Δ: a * x + b * y + c = 0.0
N = Intersect(Δ, yAxis)
M = Intersect(Δ, xAxis)