Rigid Movements

True or False: Translation, reflection and rotations re rigid movements that prove figures congruent in a coordinate plane.

• False

• True

Tags

CCSS.HSG.CO.B.6

How is triangle ABC being translated to triangle A'B'C'?

• left 8, up 3

• left 4, up 9

• right 8, down 3

• right 4, down 9

Tags

CCSS.HSG.CO.A.2

Determine where Point X' would be if you translated Point x 3 units left and 9 units down.

• (-5, -4)

• (-1, -7)

• (-4, -5)

• (-1, 5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• (4, 1)

• (-1, -4)

• (1, -4)

• (1, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the angle of rotation for this counterclockwise rotation about the origin?

• 90°

• 180°

• 270°

• 360°

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Determine the translation from triangle ABC to triangle A'B'C'.

Tags

CCSS.HSG.CO.A.2

Which rule would result in a translation of 2 units left and 3 units up?

• (x, y) → (2x, 3y)

• (x, y) → (x - 2, y + 3)

• (x, y) → (-x, -y)

• (x, y) → (x + 2, y + 3)

• (x, y) → (x + 3, y -2)

Tags

CCSS.HSG.CO.A.2

Determine where T' would be under the translation of 3 units to the right and 6 units up.

• (5, 1)

• (2, -5)

• (-1, 1)

• (8, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for the following reflection?

• Reflection across y = 3

• Reflection across x = −3

• Reflection across x = 3

• Reflection across y = −3

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5