Scale Factor Figure A to Figure B

Figure B is a scaled copy of figure A. What is the scale factor of figure A to figure B?

• Scale factor is 3

• scale factor is 1/3

• Scale factor is 1/2

• scale factor is 2

Figure B is a scaled copy of figure A. What is the scale factor?

• 1/3

• 3

• 2

• 1/2

Figure B is a scaled copy of figure A. What is the scale factor?

• 2

• 1/2

• 1/4

• 1/3

Figure B is a scaled copy of figure A. What is the scale factor?

• 1/3

• 3

• 1/2

• 2

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.

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

The blue triangle is the preimage, the green triangle is the image. The image shows​​ (a)   and the scale factor is​ (b)   ​

• an enlargement

• 2

• a reduction

• 5

• 4

The blue triangle is the preimage, the green triangle is the image.

The image shows​​ (a)   and the scale factor is​ (b)   ​

• an enlargement

• 2

• a reduction

• 5

• 4

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

Which rule would dilate shows a scale factor of 4

• (x, y) → (y, x)

• (x, y) → (x + 4, y + 4)

• (x, y) → (x, -y)

• (x, y) → (4x, 4y)