Respuesta :

For reflection over x you multiply y by -1, For reflection over y you multiply x by -1.

So, the new point for each are:
6. (-4,-2)(3,1)(-1,-1)(-2,-3)
7. (4,-4)(3,-4)(3,-2)
9. (2,0)(1,-4)(4,3)
10. (-3,-2)(-1,3)(3,2)(0,-2)