Mark H. answered 02/14/20
Tutoring in Math and Science at all levels
For this one, all you need to do is add/subtract the stated deltas to the given points.
"3 units right' means add 3 to the x values
"4 units down" means subtract 4 from the y values.
So--for example--the new coordinates for vertex X are: x: -1 + 4, and y: 5 - 4