Describing Dilations

Is this an enlargement or a reduction? What is the scale factor if the origin is the center of dilation?

• It's a reduction; the scale factor is 2.

• It's an enlargement; the scale factor is 2.

• It's an enlargement; the scale factor is 1/2.

• It's a reduction; the scale factor is 1/2.

Tags

CCSS.8.G.A.3

The red triangle has been dilated by a scale factor of 1/4 about the origin, which triangle is it's new image? 

• green triangle 
• red triangle 
• black triangle
• none of these 

Tags

CCSS.8.G.A.3

Enlargement or reduction?  Find the scale factor!

• It's an enlargement; the scale factor is 1/2.
• It's an enlargement; the scale factor is 2.
• It's a reduction; the scale factor is 1/2.
• It's a reduction; the scale factor is 2.

Tags

CCSS.HSG.CO.A.2

Does the image show a Dilation and what is the scale factor?

• Yes; k = 2

• Yes; k = 1/2

• No, it's a translation.

• No, it's a reflection.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2