Similarity Transformations

What is the scale factor of the dilation from A to B ?

• 2

• 1

• 1/2

• 1/3

Is the dilation from A to B an enlargement or a reduction?

• enlargement

• reduction

Is the dilation from A to B an enlargement or a reduction?

• enlargement

• reduction

Is the dilation from A to B an enlargement or a reduction?

• enlargement

• reduction

A dilation with center (0,0) and a scale factor of 1/2 maps ABC to ADE.

• Yes. A dilation with center (0,0) and a scale factor of 1/2 maps ABC to ADE.

• Yes. A dilation with center (0,0) and a scale factor of 2 maps ABC to ADE.

• Yes. A translation 2 units up and 4 units right maps ADE to ABC.

• No. ABC is not similar to ADE.

The triangles are similar. Which series of transformations maps ABC onto DEF?

• translation followed by a rotation

• translation followed by a dilation

• rotation followed by a dilation

• reflection followed by a dilation

A dilation with center (0,0) and a scale factor of 1/2 maps ABC to ADE.

• Yes. A dilation with center (0,0) and a scale factor of 1/2 maps ABC to ADE.

• Yes. A dilation with center (0,0) and a scale factor of 2 maps ABC to ADE.

• Yes. A translation 2 units up and 4 units right maps ADE to ABC.

• No. ABC is not similar to ADE.

Which of the following is a dilation?

• (x, y) → (x, 3y)

• (x, y) → (3x, 3y)

• (x, y) → (x, y - 3)

• (x, y) → (.5x, .4y)

Which rule below will make an object "Similar"?

• (x-5,y-5)

• (2x,3y)

• (32x,32y)

• (1x,y-8)

Is the dilation from A to B an enlargement or a reduction?

• enlargement

• reduction