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Verified answer
4x-3y+5=0-3y=-4x-5
y=-4x-5/-3
y=4/3x+5/3
Gradien= 4/3
krn tegak lurus Gnya kita hitung dg rumus
M1×M2=-1
4/3×M2=-1
M2=-1:4/3
M2=-1/1:4/3
M2=-1/1×3/4
M2= -3/4
Gradien(m) =-3/4 dan titik (-2,-1)
Rumus Y-Y1=M(X-X1)
y-(-1)=-3/4(x-{-2})
y+1=-3/4x-6/4
4×(y+1)=(-3/4x-6/4)×4
×4 krn penyebut -3/4x dan -6/4= 4
4y+4=-3x-6
4y=-3x-6-4
4y=-3x-10
4y+3x+10=0
Jawabannya A