解:1)与直线4x+y-2=0平行,则斜率相等,为-4根据点斜式,可求出直线方程:y-2=-4(x-3)即4x+y-14=02)y+3=5(x-2) =>5x-y-13=03)y-0=1/2(x-3) =>x-2y-3=0