Reflections and Rotations

Identify the transformation.

• Reflection across y-axis

• Reflection across x-axis

• 180 Rotation

• Translation 2 units down

What axis is the triangle being reflected over?

• X-axis

• Y-axis

Level 1 Reflections over the x-axis change the ____-__________.

• y-coordinate

• x-coordinate

What axis is the image reflected over?

• X-axis

• Y-axis

State the line of reflection.

• Reflection across y-axis
• Reflection across x-axis
• Reflection across x = 1
• Reflection across y = 1

Is the reflection shown a reflection over the x or y axis?

• x axis

• y axis

If B(-4, 6) is reflected across y = x, what are the coordinates of B'?

• (4, -6)

• (6, -4)

• (-6, 4)

Reflect over x-axis. Which point would be at (3, -6)

• A
• B
• C
• H

Reflect Point C over the y-axis:

• (-3, 2)
• (3,2)
• (-2,3)
• (3,0)

What is the equation for the line of reflection?

• y=4

• x=-3

• y=x

• y= -x