Dana was dilating a polygon on a coordinate grid using the origin as the center of the dilation. He wanted to make a polygon that is larger than the original polygon. Which of the following could be the algebraic representation of the enlargement?
Select THREE correct answers.
1. (2x, 2y)
2. (-1/2x, -1/2y)
3. (-3x, -3y)
4. (1/2x, 1/2y)
5. (x+3, y+3)