Dilations

Enlargement or reduction?  Find the scale factor!

• It's an enlargement; the scale factor is 3.

• It's a reduction; the scale factor is 1/3.

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

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

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

Which could be the rule used to dilate ABC to A'B'C'?

• (5x, 5y)

• (3x, 3y)

• (1/3 x, 1/3 y)

• (2x, 2y)

Tags

CCSS.HSG.CO.A.2

Circle I is dilated to create Circle II.  Which could be the scale factor of the dilation?

• 5

• 3/8

• 8

• 8/3

Tags

CCSS.8.G.A.3

Figure S is dilated to create Figure T.  Which could be the scale factor of the dilation?

• (x, y)→(2x, 2y)

• (x, y)→(1/2 x, 1/2 y)

• (x, y)→(3x, 3y)

• (x, y)→(4x, 6y)

Tags

CCSS.HSG.CO.A.2

Enlargement or reduction?  Find the scale factor!

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

• It's a reduction; the scale factor is 2/3.

• It's an enlargement; the scale factor is 3/2.

• It's a reduction; the scale factor is 3.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

If the scale factor is less than 1, the dilation is...

• an enlargement

• a translation

• a rotation

• a reduction

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

A dilation is which of the following: 

• only an enlargement

• only a reduction

• either an enlargement or a reduction

• neither an enlargement nor a reduction

Tags

CCSS.8.G.A.3

Does the image show a Dilation? If yes, did the image enlarge, reduce or none of the above?

• Yes, enlarge

• Yes, reduce

• No

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

What scale factor was used to produce the image?

• 2/3

• 3/2

• 1/2

• 1

Tags

CCSS.8.G.A.3