Reflections and Translations

Which graph shows the image of the triangle reflected across the line of reflection shown?

• 
• 
• 
• 

Triangle XYZ is reflected across the x-axis, and X = (-11,8). What are the coordinates of X'?

• (11,-8)

• (-8,11)

• (11,8)

• (-11,-8)

What are the coordinates of A' after reflecting across the line x = 3?

• (2,3)

• (3,2)

• (3,4)

• (3,-2)

What is the equation for the line of reflection?

• x = 6

• y = 6

• y = x

• y = 2

Triangle PQR is reflected across a line, P = (4,-5), and P' = (-4,-5). What is the line of reflection?

• the x-axis

• the y-axis

• the line y = x

• the line y = -x

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

• 90^o clockwise rotation

• 90^o counter clockwise rotation

• Reflection across the y-axis

• Reflection across the x-axis

Triangle RST has vertices R(–1, 1), S(3, 1), and T(3, –4). What are the coordinates of the image of RST after a translation 4 units to the left and 2 units down?

• R'(–5, 1), S'(–1, 1), and T'(–1, –4)

• R'(–5, –1), S'(3, –1), and T'(–1, –4)

• R'(–1, –1), S'(3, –1), and T'(3, –6)

• R'(–5, –1), S'(–1, –1), and T'(–1, –6)

• Translation

  4 left & 7 up

• Translation

  4 right & 7 down

• Translation

  7 left & 4 up

• Translation

  7 right & 4 down