Congruent by Transformations

Are these shapes congruent or not congruent?

• congruent

• not congruent

Tags

CCSS.8.G.A.2

Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Write a rule for the translation.

•  (x -1, y  + 2)

•  (x -2, y  + 1)

•  (x +2, y  - 1)

• (x +1, y  -  2)

Tags

CCSS.HSG.CO.A.2

What axis is the triangle being reflected over?

• X-axis

• Y-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What axis is the image reflected over?

• X-axis

• Y-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Where will A' be at, if triangle ABC is reflected by
(x,y) --> (-x,y)?

• (2,1)

• (1,-2)

• (-1,2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which transformation(s) preserve congruency? (Choose all that apply)

• rotations

• reflections

• translations

• dilations

Tags

CCSS.HSG.CO.A.2

Congruent geometric figures have the:

• Same size

• Sides Equal

• Same Size and Same Shape

• All Angles Equal

Tags

CCSS.8.G.A.2

Which of the following describes the sequence of transformations shown?

• Reflect across the x-axis and then rotate -90 degrees cw around the origin

• Rotate 90 degrees cw around the origin and then translate down.

• Reflect across the x-axis and then reflect across the y-axis.

• Translate up and then rotate 90 degrees ccw about the origin.

Tags

CCSS.8.G.A.3

What is the sequence of transformations?

• Reflect over the y-axis then reflect over the x-axis

• Reflect over the x-axis then reflect over the y-axis

• Translate 4 units then rotate 90˚

• Rotate 90˚ then reflect over the x-axis

Tags

CCSS.8.G.A.3