Reflection Y and X Axis Y Equals X Y Equals Negative X

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

• True

• False

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

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)

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

• y-coordinate

• x-coordinate

Given pre-image point (-2,5)

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

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

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

If a figure is reflected over a line of symmetry, then its image is congruent to it. True or False?

• True

• False

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

• (-3,3)

• (3,3)

• (-3,-3)

• (3,-3)

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

• (-3,3)

• (3,3)

• (-3,-3)

• (3,-3)