Dilations Review

Two figures can be similar if they have the _______ shape but _______ size.

• Different, Same

• Same, Same

• Same, Different

• Different, Different

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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

• True

• False

Tags

CCSS.8.G.A.3

Tags

CCSS.8.G.A.3

The vertices of △ ABC are located at A(4,8), B(8,0), and C(-8,4). Which sequence of transformations of △ ABC results in △ A′′B′′C′′?

• Rotate △ ABC 90° clockwise around the origin. Dilate the image by a scale factor of 4 with a center of dilation at the origin.

• Rotate △ ABC 90° counterclockwise around the origin. Dilate the image by a scale factor of 4 with a center of dilation at the origin.

• Rotate △ ABC 90° clockwise around the origin. Dilate the image by a scale factor of 1/4 with a center of dilation at the origin.

• Rotate △ ABC 90° counterclockwise around the origin. Dilate the image by a scale factor of 1/4 with a center of dilation at the origin.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

Finish the following similarity statement: Figure DEFGHI ∼ Figure ​ (a)  

• DEFGHI

• D'E'F'G'H'I'

• ABCDEF

• A'B'C'D'E'F'

Tags

CCSS.HSG.SRT.A.2

Match the terms with their definitions.

• A transformation that turns a figure around a point.

• Dilation

• A transformation that slides a figure.

• Rotation

• A transformation that makes a scale copy

• Reflection

• A transformation that flips a figure across a line.

• Translation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?

• A'(9,9) B'(18,18) C'(27,9)

• A'(6,6) B'(9,9) C'(12,6)

• A'(0,0) B'(3,3) C'(6,0)

• A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.8.G.A.3

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.HSG.CO.A.2

Tell whether the transformation is a dilation. Explain.

• No, scale factor isn't the same.

• Yes, scale factor is the same.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

• A
• B
• C
• D

Tags

CCSS.HSG.CO.A.2