1.A' =(3sqrt(3),3) --------注:“sqrt”是根号
B'= (-6,0)
2. 向右平移,y坐标不变,y=3,代入y=6sqrt(3)/x
x = 2sqrt(3)
a = 2sqrt(3)-(-3sqrt(3)) = 5sqrt(3)
3.旋转30度后B的坐标是:(6cos(30),6sin(30))=(3sqrt(3),3)
代入 y=k/x
得 k= 9sqrt(3)
1.A' =(3sqrt(3),3) --------注:“sqrt”是根号
B'= (-6,0)
2. 向右平移,y坐标不变,y=3,代入y=6sqrt(3)/x
x = 2sqrt(3)
a = 2sqrt(3)-(-3sqrt(3)) = 5sqrt(3)
3.旋转30度后B的坐标是:(6cos(30),6sin(30))=(3sqrt(3),3)
代入 y=k/x
得 k= 9sqrt(3)