Scale Factor with Dilations

Dilate the figure by a scale factor of 3. What are the coordinates of the image?

• A'(9,9) B'(18,18) C'(27,9)

• A'(6,6) B'(9,9) C'(12,6)

• A'(0,0) B'(3,3) C'(6,0)

• A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.8.G.A.3

Triangle ABC will be dilated by a scale factor of 1/2.  What will be the coordinates of C'?

• (-1, -2.5)

• (12, 6)

• (3, -1.5)

• (0, 1.5)

Tags

CCSS.8.G.A.3

Enlargement or reduction?  Find the scale factor!

• 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

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.8.G.A.3

Which of the following scale factors could have possibly created the dilation shown?

• 
• 
• 
• 

Tags

CCSS.8.G.A.3

On the set of axes below, AB is dilated by a scale factor of  5/2   centered at P.

Which statements are always true?

Select all that apply

• AB = A'B'

• AB // A'B'

Tags

CCSS.8.G.A.3

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.HSG.CO.A.2

Choose the correct scale factor:

• 5/2

• 3/2

• 3.5

• 4

Tags

CCSS.8.G.A.3

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.8.G.A.3

Match the following dilations by a scale factor of 1/2.

• (5,1)

• (10,2)

• (0, -5)

• (6,8)

• (-3, -4)

• (0,0)

• (0,0)

• (0, -10)

• (3,4)

• (-6,-8)

Answer explanation

Note that 0/2 is still 0

so (0,0) dilated by 1/2 is still at (0,0)

(0,-10) dilated by a 1/2 is at

(0, -5)

Tags

CCSS.8.G.A.3