What are the answers for these 2 questions and the work

Answer to the first problem is:
I=5,-3
J=4,0
K=0,4

Answers to the second problem are:
N=0,-3
M=1,0
L=-4,-4

A reflection reflects doing the exact opposite of the is graphed if you are reflecting across the y axis then you reflect across from the line that goes straight down the middle of the graph. Reflecting across the x axis a reflecting across the line that goes straight across the graph. Think about a mirror reflection and how you see it an exact replica of the original shape except backwards across a different x or y plane. Hope this helps, have a great day!