A point A (x, y) is translated 10 units to the right and 3 units down. What is the mapping to the new point A’?

(x-3, y+10)
(x-3, y-10)
(x+10, y-3)
(x+10, y+3)

Question

A point A (x, y) is translated 10 units to the right and 3 units down. What is the mapping to the new point A’?
 	
	(x-3, y+10)
	(x-3, y-10)
	(x+10, y-3)
	(x+10, y+3)

erak · Answer

So x is left and right, y is up and down. Is going 10 units right going to be "+10" or "-10", and also is going 3 units down "-3" or "+3"

peace420 · Answer

so which one would it be?

erak · Answer

up and right are usually positive, down and left are usually negative, which one do you think it is?

peace420 · Answer

im not sure

fortytherapper · Answer

As Erak said, let's say you have 20 items. If someone takes away 3 of those items, would you have +3 items from what you had or -3 items from what you had?

peace420 · Answer

-3

peace420 · Answer

would it be C?

fortytherapper · Answer

Yeah, that's the only y-3 I see. POE worked great here o.O