Dilations - Reduction & Enlargement

Dilations only enlarge figures.

• True
• False

Tags

CCSS.8.G.A.3

A scale factor of 1/2 reduces a figure.

• True
• False

Tags

CCSS.8.G.A.3

A dilation creates a similar figure.

• True
• False

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

The green shape is a dilation of the black shape. Is it an enlargement or a reduction?

• Enlargement

• Reduction

Tags

CCSS.8.G.A.3

The orange shape is a dilation of the black shape. Is it an enlargement or a reduction?

• Enlargement

• Reduction

Tags

CCSS.8.G.A.3

The green shape is a dilation of the black shape. Is it an enlargement or a reduction?

• Enlargement

• Reduction

Tags

CCSS.8.G.A.3

The blue shape is a dilation of the black shape. Is it an enlargement or a reduction?

• Enlargement

• Reduction

Tags

CCSS.8.G.A.3

A dilation is given by the transformation (x, y) → (3.5x, 3.5y). What is the scale factor?

• 3/5

• 3.5

• 5/3

• 1/3.5

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