Question

determine a eguacao geral da reta a (3, 0) e b (0, 3)

Answer 1

3   0   1   3   0
0   3   1   0   3
x   y   1   x   y

(9 + 0 + 0) - (3x + 3y + 0) = 0
9 - 3x - 3y = 0
- 3x - 3y + 9 = 0 (:3)
-x - y + 3 = 0