Question

aflati ecuatia dreptei care contine punctul A(2,-3) si este paralela cu dreapta x+2y+5=0

Answer 1

dreapta are ecuatia 2y=-x-5
y=-1/2 x -5/2
si are panta m=-1/2
paralela are panta m=-1/2

paralela are ecuatia y-yA=m(x-xA)
y-(-3)=-1/2(x-2)

y+3=-1/2x+1
1/2 x + y +2=0