More Dilations (Day 4)

​More Dilations

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Multiple Choice

What is Dilation?

• Dilation means to enlarge or reduce
• Dilation means to reflect on something
• Dilation means to like something
• Dilation means to make something different by making it smaller

Multiple Choice

Two figures are congruent if they have the _______ shape and _______ size.

• Different, Same
• Same, Same
• Same, Different
• Different, Different

​Multiply all the coordinate numbers by 3.

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Vertex A (4,-2), A' (12, -6)

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Vertex B (-2,-2), B' (-6, -6)​

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Vertex C (-2,2)​, C' (-6, 6)

​Draw the dilation of triangle ABC, with center (0,0), and scale factor 3. Label this triangle A'B'C'.

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Multiple Choice

Apply a dilation of triangle ABC, with center (0,0), and scale factor 2.

A' will be at ...

• (8,-4)

• (2,2)

Multiple Choice

Apply a dilation of triangle ABC, with center (0,0), and scale factor 2.

B' will be at ...

• (-4,-4)

• (-2,-2)

Multiple Choice

Apply a dilation of triangle ABC, with center (0,0), and scale factor 2.

C' will be at ...

• (-4,4)

• (-2,-2)

Draw

Draw the dilation of triangle ABC, with center (0,0), and scale factor 2. Label this triangle A'B'C'.

Multiple Choice

Apply a dilation of triangle ABC, with center (0,0), and scale factor 1/2.

A' will be at ...

• (-4,4)

• (-2,-1)

Multiple Choice

Apply a dilation of triangle ABC, with center (0,0), and scale factor 1/2.

B' will be at ...

• (-2, 2)

• (-1,- 1)

Multiple Choice

Apply a dilation of triangle ABC, with center (0,0), and scale factor 1/2.

C' will be at ...

• (-4, 2)

• (-1, 1)

Draw

Draw the dilation of triangle ABC, with center (0,0), and scale factor 1/2. Label this triangle A'B'C'.