Translations & Reflections

The triangles on the grid below represent a translation. To form the image, the pre-image moved

• five units right and three units up.

• two units right and three units up.

• five units left and three units down.

• two units left and three units down.

Which shows this triangle when it is translated two units left?

• 
• 
• 
• 

Jean transformed a point by using the rule (x-6,y+8). The image point is (-4,1). Which point is the pre-image

• (-10,9)

• (2,-7)

• (-2,7)

• (10,-9)

Which rule describes the x-coordinates in the translation below?

• x + 0
  

• x + 6

• x - 6

• x + 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

What does a translation do to an image?

• Turns it 90* clockwise

• Mirrors it

• Shrinks it

• Slides it

Identify the transformation from ABCD to A'B'C'D'.

• Translation

• Reflection across the y-axis

• Reflection across the x-axis

• 90^o counter clockwise Rotation

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

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

• y-axis

• x-axis

Reflecting over the y-axis changes the ____-_____________. 

• x-axis

• x-coordinate

• y-coordinate

• y-axis