Dilation Quizziz

When a dilation has a scale factor greater than one, the dilation is an enlargement.

• True

• False

Tags

CCSS.8.G.A.3

Dilation rules use ______________ to change the ___________ of a shape. 

• addition; location

• division; direction

• subtraction; orientation

• multiplication; size

Tags

CCSS.8.G.A.3

If the origin is the center of this dilation, choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.8.G.A.3

Dilate Point B by a scale factor of 1/2, with the origin as the center of the dilation.

• (1.5,-4)

• (-1.5,1)

• (-1,-1.5)

• (-2,-2)

Tags

CCSS.8.G.A.3

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

Rectangle ABCD is dilated so that A' is located at (3, 6). What could be the dilation rule?

• (x, y) --> (2x, 3y)

• (x, y) --> (2/3 x, 2/3 y)

• (x, y) --> (3/2 x, 3/2 y)

• (x, y) --> (x + 2, y + 3)

Tags

CCSS.HSG.CO.A.2

Does the image show a dilation centered at the origin? If yes, did the image enlarge, reduce or none of the above...and by what scale factor?

• Yes, it is an enlargement with a scale factor of 2

• Yes, it is a reduction with a scale factor of 1/2

• No, it is not a dilation

• No, it is not centered at the origin

Tags

CCSS.HSG.CO.A.2

How do you write the algebraic notation for a dilation from the origin with a scale factor of 3?

• (x, y) --> (1/3x, 1/3y)

• (x, y) --> (-3x, -3y)

• (x, y) --> (x + 3, y + 3)

• (x, y) --> (3x, 3y)

Tags

CCSS.8.G.A.3

A dilation preserves which of the following characteristics?

• Congruence

• Similarity

• Both

• None of these

Tags

CCSS.8.G.A.3

Which proportion could be used to find side 'x'?

• 
• 
• 
• 

Tags

CCSS.HSG.SRT.A.2