Does anyone know how to set this up?

Answer: 5,4
2,-1 ,8,-1
Step-by-step explanation: Take each of the points and write their location, for example, the one at the top is -4,6 and apply the formula to it.
Answer:
ok it looks complicated but its pretty simple, read the explaination
Step-by-step explanation:
choose on point on the triangle, so one of the 3 points and move that point 9 units to the right, just use your finger and then once you've visually moved it 9 units to the right then just with the same point move it 2 units down then draw your new positioned triangle from that point