Question

Calcule a distancia do ponto A(6,5)da equação da reta (r)3x+4y-12=0?

Answer 1

d=lax+by+cl/raiz(a²+b²)

 

d=l3.6+4.5-12l/raiz(3²+4²)

 

d=l26l/raiz(25)

 

d=26/5

 

d=5,2

Answer 2

(r)3x+4y-12=0

(r)3.6+4.5-12=0

(r)18+20-12=0

(r)18+8=0

(r)=26