Translations, Reflections, and Rotations

Which answer shows a reflection across the x-axis?

• d
• c
• b
• a

Identify the transformation from ABC to A'B'C'.

• 1/2 turn rotation

• 3/4 turn rotation

• Reflection across the y-axis

• Reflection across the x-axis

Reflect Point C over the y-axis:

• (-3, 2)
• (3,2)
• (-2,3)
• (3,0)

Reflect the point (2, -4) over the y-axis.

• (-4, 2)
• (-2, 4)
• (-2, -4)
• (2, 4)

Point C (-5, 4) is reflected over the x-axis. What are the coordinates of C'? 

• (5, 4)
• (-5, -4)
• (5, -4)
• (-5, 4) 

Reflections over the x-axis change the __________.

• y-coordinate

• x-coordinate

Reflections over the y-axis change the ___________.

• y-coordinate

• x-coordinate

• y-axis

• x-axis

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)

Which rule describes rotating 180° clockwise?

• ( x, y ) → ( y, -x )

• ( x, y ) → ( -x, -y )

• ( x, y) → ( -y, -x )

• ( x, y ) → ( -y, x )

• (-4, -3)

• (4, 3)

• (-3, -4)

• (-4, 3)