Reflections Across the X and Y Axis Hard Practice

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

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)

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

• True

• False

If a point remains unchanged after a reflection, then it lies on...

• the line of symmetry

• itself

• the origin

• point (5,6)

Flipping a figures is a ...

• Rotation

• Reflection

• Dilation

• Translation

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

• x-axis

• y-axis

Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

Is the picture being reflected in the y-axis or x-axis?

• y-axis

• x-axis

Reflect the image over the y-axis.  Which quadrants will the image be located in?

• Quadrant I and II

• Quadrant II and III

• Quadrant III and IV

• Quadrant I and IV