两直线交点
X-2Y=-K+6
X+3Y=4K+Y
X=3/2*K+3
Y=5/4*K+1.5
3/2*K+3>0
5/4*K+1.5<0
-8/7<K<1
2.K=0
∵AP=OP
P(1,Y) (在AO中垂线上)
1-2Y=6
Y=-2.5
P(1,-2.5)
两直线交点
X-2Y=-K+6
X+3Y=4K+Y
X=3/2*K+3
Y=5/4*K+1.5
3/2*K+3>0
5/4*K+1.5<0
-8/7<K<1
2.K=0
∵AP=OP
P(1,Y) (在AO中垂线上)
1-2Y=6
Y=-2.5
P(1,-2.5)