Reflection, Symmetry

What is a reflection?

• When you turn an object around a point.
• When you slide an object form one place to another.
• When you flip or mirror an object across a line.
• When you resize an object.

Which answer shows a reflection across the y-axis?

• a
• b
• c
• d

Which answer shows a reflection across the x-axis?

• d
• c
• b
• a

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

• A
• B
• C
• H

If the dotted figure is the image, the original figure was reflected over the ...

• 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

Which answer shows a reflection across the x-axis?

• d
• c
• b
• a

What is the rule for the following reflection? 

• Reflection across       y = 3
• Reflection across        x = −3
• Reflection across            x = 3
• Reflection across          y = −3

Which answer shows a reflection across the y-axis?

• a
• b
• c
• d

What is the mirror line for this reflection?

• y=4

• x=-3

• y=x

• y= -x