优质解答
(1)k=√3/3.则过A.可得y+2=√3/3(x-8)
(2))过(2.0).且与y轴平行.可得x=2
(3)k=-4..则过(0.7).可得y-7=-4x
(4)k=(-2-8)/(4+1)=-2.可得y-8=-2(x+1)
(5)过(0.2).且与X轴平行.可得Y=2
(6)过(4.0)(0.-3)则K=(-3-0)/(0-4)=3/4.可得y=3/4(x-4)
(1)k=√3/3.则过A.可得y+2=√3/3(x-8)
(2))过(2.0).且与y轴平行.可得x=2
(3)k=-4..则过(0.7).可得y-7=-4x
(4)k=(-2-8)/(4+1)=-2.可得y-8=-2(x+1)
(5)过(0.2).且与X轴平行.可得Y=2
(6)过(4.0)(0.-3)则K=(-3-0)/(0-4)=3/4.可得y=3/4(x-4)