Rotation and Reflection

The point ( -2,5) is reflected over the line x = 1.  Find its image.

• (  4,  5)

• ( -2  , -5)

• ( 2  ,  5)

• (2   , -5)

What is the rule for the following reflection? 

• Reflection across      x-axis

• Reflection across        y-axis

• Reflection across            y = x

• Reflection across          y = −x

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

• (-4, 2)

• (-2, 4)

• (-2, -4)

• (2, 4)

Reflect (6, -3) over the line x-axis.

• (6, 3)

• (-6, -3)

• (-3, 6)

• (3, -6)

Is the picture being reflected in the y-axis or x-axis?

• y-axis

• x-axis

Reflect quadrilateral WXYZ across the y-axis. ?

Select the coordinates.

• W′(7,3), X′(6,−3), Y′(3,−5), Z′(1,0)

• W′(−3,−7), X′(3,−6), Y′(5,−3), Z′(0,−1)

• W′(-7,3), X′(−6,−3), Y′(−3,−5), Z′(−1,0)

• W′(7,−3), X′(6,3), Y′(3,5), Z′(1,0)

What point do you get if you reflect the point ( -6,1) over the line y = -x?

• (-1,-6)

• (6,-1)

• (1,6)

• (-1,6)

A counterclockwise rotation of 90° is equivalent to how many degrees of rotation clockwise?

• 90°

• 180°

• 270°

• 360°

What is the rule for the following reflection? 

• Reflection across       y = −1

• Reflection across        y = 1

• Reflection across            x = −1

• Reflection across          x = 1

Does an equilateral triangle have reflection symmetry?

• yes

• sometimes

• no

• maybe