Question

Verifique se a reta de equação geral:5x-y-8=0 passa pelos pontos
A(1,1) b(2,2) c(3,7) d(4,11) e(8,0)

Answer 1

Oi Wnaders

5x - y - 8 = 0 

A(1,1) = 5 - 1 - 8 = -4
B(2,2) = 10 - 2 - 8 = 0 ok
C(3,7) = 15 - 7 - 8 = 0 ok
D(4,11) = 20 - 11 - 8 = 1
E(8,0) = 40 - 0 - 8 = 32