Week 6 Quiz- Dilations- Rooprai

A dilation produces a congruent figure

• True

• False

A dilation is which of the following: 

• only an enlargement
• only a reduction
• Either an enlargement or a reduction
• Neither an enlargement or a reduction

Tags

CCSS.8.G.A.3

The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.

• reduction
• enlargement
• scale factor
• center of dilation

Tags

CCSS.7.G.A.1

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

• True
• False

Tags

CCSS.8.G.A.3

When the scale factor of a dilation is less than one, the dilation is a reduction.

• True
• False

Tags

CCSS.8.G.A.3

What scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1

Tags

CCSS.HSG.CO.A.2

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.7.G.A.1

Dilate the triangle using the center: (3, 3) and

Scale factor: 2

• A’ (−3 −9), B’ (9, −9), C’ (−9, −1)

• A’ (−9, −9), B’ (3, −9), C’ (−9, −1)

• A’ (−9, −1), B’ (3, −9), C’ (−9, −9)

Dilate the triangle using the Center: (1, -3)

Scale factor: 2

• A’ (3, 5), B’ (9, 3),C’ (1, 3)

• A’ (5, −5), B’ (−3, −3),C’ (1, 3)

• A’ (3, −5), B’ (−9, −3),C’ (1, 3)

Dilate the triangle using the Center: origin
Scale factor:  $\frac{2}{3}$  

• A’ (4, 0), B’ (4, 4), C’ (0, 2)

• A’ (0, 0), B’ (0, 4), C’ (0, 2)

• A’ (4, 0), B’ (0, 4), C’ (0, 0)