Reflection on Axis

When a coordinate reflects over the y-axis the x-coordinate...

• changes to its opposite sign

• stays the same

When a coordinate reflects over the x-axis the y-coordinate...

• changes to its opposite sign

• stays the same

The blue triangle is reflected over the x-axis. True or False?

• True

• False

The blue figure is reflected over the x-axis. True or False?

• True

• False

Which axis was the figure reflected over?

​ (a)  

• y-axis

• x-axis

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

• X axis

• Y axis

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

• x axis

• y axis

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

• x-axis

• y-axis

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

• y-coordinate

• x-coordinate