Reflection Over X-Axis or Y-Axis

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

• True

• False

What is the rule for a reflection over the y-axis?

• (x,y)→(-x,y)

• (x,y)→(x,-y)

• (x,y)→(-x,-y)

• (x,y)→(y,x)

Reflect the point over the x-axis. What is the coordinate of its image?

• (-3,3)

• (3,3)

• (-3,-3)

• (3,-3)

If you reflect point (-2,7) over the y-axis, what is its image point?

• (2,7)

• (2,-7)

• (-2,-7)

• (7,-2)

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

• y-coordinate

• x-coordinate

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

• x-axis

• y-axis

Given pre-image point (-2,5)

Plot the pre-image & image after a reflection over the x-axis

Complete the mapping for a reflection over the x-axis:

(x, y) --> (​ (a)   ,​ (b)   )

• x

• -y

• -x

• y

Tags

reflections

transformations

mappings

Reflect C(7, 3) over the x-axis.

Click on the correct location of C' on the graph.

Complete the mapping for a reflection over the x-axis:

• x

• -y

• -x

• y

Tags

reflections

transformations

mappings