Rigid Transformations - Review

In which transformation is the orientation reversed?

• reflection

• rotation

• translation

• dilation

The image of the point (5,-1) under a reflection in the x-axis is

• (-5,-1)

• (-5,1)

• (5,1)

• (1,-5)

During a reflection, RR' = 18 units.

What is the distance from point R to the line of reflection?

• 3 units

• 6 units

• 9 units

• 18 units

Segment AB is reflected in line m. TRUE or FALSE. Is segment AB congruent to segment A'B' ?

• TRUE

• FALSE

ΔABC with A(1,6), B(2,10), C(5,6) is reflected in a line to create image ΔA'B'C' with A' (1,0), B' (2,-4), C' (5,0). What is the equation of the line of reflection ?

• y = 0

• x = 0

• y = 3

• y = x

ΔABC is reflected in line m.
Find x, y and z.

• x = 4

  y = 6

  z = 3

• x = 3

  y = 6

  z = 4

• x = 2

  y = 3

  z = 4

• x = 3

  y = 6

  z = 2

A translation function is defined by the rule
(x, y) → (x + 2, y - 5). Which choice will be the image of the point (3,6) under this translation?

• (3,11)

• (5,11)

• (5,1)

• (6,1)

Which translation mapping is depicted in the graph ?

• (x, y) → (x + 6, y - 3)

• (x, y) → (x - 3, y + 6)

• (x, y) → (x - 6, y + 3)

• (x, y) → (x + 3, y - 6)

Which point is the image of point A under (x, y) → (x - 5, y - 2)?

• B

• C

• D

• E

Which point is the image of point C under (x, y) → (x + 4, y + 1)?

• B

• C

• D

• E