Transformations 2.1-2.2

What is the name of the point from which a dilation is drawn?

• the vertex

• the center of dilation

• the origin of dilation

• the corner

Triangle ABC is dilated to produce A'B'C' with a scale factor of 3/4. Which describes the relationship between the two triangles?

• A'B'C' is an enlargement

• A'B'C' is a reduction

• A'B'C' is congruent to ABC

• A'B'C' is a mirror image of ABC

A triangle has vertices at (1,1), (1,2), and (3,2). It is dilated by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?

• (4,1) (4,2) (6,2)

• (1,4) (1,5) (3,5)

• (3,3) (3,6) (9,6)

Rectangle ABCD is dilated to form rectangle A'B'C'D'.

What is the scale factor?

• 2

• 1/2

• (1,2)

• (2,1)

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

The result of a transformation.

• Pre-image
• Image

What kind of Dilation will take place when given the Scale Factor of ¹/_2.

• Enlargement

• Reduction

What kind of Dilation will take place when given the Scale Factor of ⁸/₃?

• Enlargement

• Reduction

What kind of Dilation will take place when given the Scale Factor of .25?

• Enlargement

• Reduction

A figure is dilated so that point C(2, 9) becomes C'(8, 36). what is the rule for this transformation?

• (x, y) --> (1/4x, 1/4y)

• (x, y) --> (4x. 4y)

• (x, y) --> (x + 6, y + 27)

• Not here

• (x, y) --> (x - 6, y - 27)