No, the answers are incorrect. When reflected over the y-axis, if the x is positive, then it becomes negative, but if the x is negative, then it becomes positive. Also, the y will not change. The answer should be X prime: (0,-6) Y prime: (10,4) Z prime: (-3,-1)
This is easy trust me everything will be fine first drag it to the bottom right the same way you do it on the Hub and then go 4 units below and you’re all set.