Transformations - Reflections

Level 1 True or false: When a point is reflected across a line of symmetry, it remains the same distance from the line.

• true

• false

When a figure is reflected over a line of reflection, the new image is congruent to the original. True or False

• True

• False

Which answer shows a reflection across the x-axis?

• d
• c
• b
• a

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.

Find K' if the figure is reflected across the x-axis

• (4, 1)

• (-1, -4)

• (1, -4)

• (1, 4)

What is the mirror line of this reflection?

• X = 1

• Y = 1

• X = 2

• Y =2

When reflecting an image on the cartesian plane, the original image is called the what?

• Image 1

• Original

• Object

• Starter

When reflecting an image on the cartesian plane the reflection is called the what?

• Reflection

• Image 2

• Image

• Copy

When reflecting an image on a cartesian plane, we must make sure that the image has been?

• Moved

• Flipped

• turned around

• enlarged

When reflecting an image on the cartesian plane, we must make sure that our image is what?

• Opposite

• Similar

• Symmetrical

• Congruent