Geometry CP 4.4-4.5 Check-up

• Reflection: in the x-axis

• Reflection: in the y-axis

• Reflection: in the line y = x

• Reflection: in the line y = -x

• Reflection: in the x-axis

• Reflection: in the y-axis

• Reflection: in the line y = x

• Reflection: in the line y = -x

• Translation: vector <-5, 1>

• Translation: vector <1, -3>

• Translation: vector <3, -3>

• Translation: vector <6, -1>

• Translation: vector <-2, 3>

• Translation: vector <-2, 7>

• Translation: vector <-1, 4>

• Translation: vector <0, 5>

In the diagram, the figure is reflected in line k. The image is then reflected in line m. Describe a single transformation that maps A onto A".

• PP" = 5 units

• PP" = 10 units

• PP" = 15 units

• PP" = 20 units

Determine the image of the following coordinates after a dilation of scale factor k=3:

A(3, -1), B(6, 2).

• A'(0, -4),

  B'(3, -1).

• A'(9, -3),

  B'(18, 6).

• A'(6, 2),

  B'(9, 5).

• A'(1, -1/3),

  B'(2, 2/3).