mmm en este caso la formula a usar seria---> y-y1 = m*(x-x1)
tambien----> tg(∅)=m (pendiente)
tg(135°)=m---> m=-1
luego (2,-3)---> x1=2
y1=-3
Reemplazo en Formula..
y-(-3) = -1*(x-2)
y+3=-x+2
x+y+1=0 RESP.
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mmm en este caso la formula a usar seria---> y-y1 = m*(x-x1)
tambien----> tg(∅)=m (pendiente)
tg(135°)=m---> m=-1
luego (2,-3)---> x1=2
y1=-3
Reemplazo en Formula..
y-(-3) = -1*(x-2)
y+3=-x+2
x+y+1=0 RESP.