Geometry Unit 4 Review

Identify the transformation from C to D.

• 90^o Counter Clockwise Rotation
• 180^o Rotation
• 270^o Counter clockwise Rotation
• 360^o Rotation

If you were to rotate ABCD 90° counterclockwise about the origin, what would the coordinate of A' be?

• (-5, 5)
• (-3, 5)
• (-5, 3)
• (-3, 3)

Reflect the shape over the line y = x. Where is A'?

• (7, 2)

• (-2, 7)

• (2, -7)

• (-7, -2)

Identify the transformation.

• Reflection across y axis
• Reflection across x-axis
• 180 Rotation
• Translation 2 units down

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)

Which of these lines are lines of symmetry for this square centered at the origin.

I.) y = 0

II.) x = 0

III.) y = x

IV.) y = -x

V.) y = 6

• I and II only

• I, II, and III

• I, II, IV

• I, II, III, and IV

• I, II , III, IV, and V

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

• (-1,-9)

• (1, -9)

• (5,5)

• (-5,5)

#12. Determine if the figure has reflectional or rotational symmetry.

• Reflectional

• Rotational

• Both

• Neither