Dilations Corresponding Sides

What is the scale factor if the triangle on the left is the original?

Which of the following are Dilations?

Does the image show a dilation?

A triangle has vertices with coordinates (2,0), (3, -1) and (-2,-5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image?

PQRS is a scaled copy/dilation of ABCD. Which side length on PQRS corresponds to BC?

PQRS is a scaled copy of ABCD. Which side length on PQRS corresponds to BC?

a transformation that ​changes the size (enlargement or reduction) of a figure is called a ​ ​ ​ (a)  

If the scale factor is greater than 1, the dilation is (a)  

Rectangle EFGH is dilated by a scale factor of 3. The origin (0,0) is the center of dilation. E(1,2); F(3,2); G(3,-1); H(1,-1). Which of these is the new, dilated rectangle?

Dilate the rectangle by a factor of 2.