(1)设B点坐标为:(x,y),则:y=(-3/2)x+5,y=k/x,S△AOB=(1/2)OA*|x|=10,A(0,5),所以OA=5推得|x|=4,x=+-4,所以,x=4,y=-1或x=-4,y=11带入y=k/x得k=-4或k=-44
下面没图,
(1)设B点坐标为:(x,y),则:y=(-3/2)x+5,y=k/x,S△AOB=(1/2)OA*|x|=10,A(0,5),所以OA=5推得|x|=4,x=+-4,所以,x=4,y=-1或x=-4,y=11带入y=k/x得k=-4或k=-44
下面没图,