Rigid Motions Quiz Review

Which of the following is NOT a rigid motion?

• Dilation

• Rotation

• Reflection

• Translation

Why do rigid motions create figures that are congruent?

• They change the shape

• They change the size

• They keep the shape and size the same

• they change the size and shape

What does (x,y) ---> (x+20, y - 10) mean

• Translation up 10 and down 20

• Translation right 20 and down 10

• Translation left 20 and down 10

• Translation right 20 and left 10

What value becomes negative if you reflect over the x - axis ?

• y value

• x value

• neither

• both

What value becomes negative if you reflect over the y axis

• y value

• x value

• neither

• both

What do you call the line that you do a reflection over?

• y - axis

• Transversal

• Perpendicular

• Line of reflection

If A'B'C' is triangle ABC after 1 rigid motion, what is triangle A"B"C"?

• ABC after 2 rigid motions

• ABC after 1 rigid motion

• ABC after 3 rigid motions

• ABC after 4 rigid motions

What type of figures do rigid motions create?

• Similar

• Parallel

• Congruent

• Bigger

How is figure IRT changed?

• Translated 6 units left and 4 units up

• Translated 6 units left and 4 units down

• translated 6 units right and 4 units down

• translated 6 units left and 4 units up

What does this represent?

• A translation 2 left 1 up

• A rotation of 90 degrees

• A reflection over the x- axis

• A reflection over the y axis