Geometry Unit 4

18. Graph and label the image using the given scale factor. List the new coordinates.

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• 
• 
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Identify the transformation from C to D.

• 90^o Counter Clockwise Rotation

• 180^o Rotation

• 270^o Counter clockwise Rotation

• 360^o Rotation

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Line segment CD with endpoints C(5, −7) and D(−2, 10) is rotated 90° counterclockwise about the origin. What is the coordinate of D'?

• D' (−10, 2)

• D' (2, 10)

• D' (-10, -2)

• D' (10, 2)

Polygon ABCDE was dilated with the center at the origin and a scale factor of 2.5. If the coordinates of point E are (4, −10), what are the coordinates of point E'?

• E' (−11.5, −13.5)

• E' (28, −35)

• E' (−28, 35)

• E' (10, −25)

(2, 6) -- Translate up 3, left 1 and rotate 180°

• (-1,-9)

• (1, -9)

• (5,5)

• (-5,5)

Determine if the figure has reflectional or rotational symmetry.

• Reflectional

• Rotational

• Both

• Neither

Determine if the figure has reflectional or rotational symmetry.

• Reflectional

• Rotational

• Both

• Neither

What is the rule for the following reflection?

• Reflection across y = −2

• Reflection across x = −2

• Reflection across x = 2

• Reflection across y = 2

Determine how to translate triangle ABC to triangle A'B'C'.

• (x-2, y+5)

• (x+2, y-9)

• (x-2, y+9)

• (x-9, y+2)