Reflections or Rotation

If point (5,2) is rotated counterclockwise 90° about the origin, its image will be point...

• (2, 5)

• (2, -5)

• (-2, 5)

• (-5, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What are the coordinates of M', the image of M(2,4), after a counterclockwise rotation of 90º about the origin and then reflected over the line y = x?

• (-2, 4)

• (2, -4)

• (-4, 2)

• (-4, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If (3,2)→(-3,-2) represents a counterclockwise rotation of the point on a coordinate plane, how many degrees is the rotation?

• 90

• 180

• 270

• 360

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If (4,-2) → (-2, -4) represents a counterclockwise rotation of the point on a coordinate plane, how many degrees is the rotation?

• 90

• 180

• 270

• 360

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect (6, -3) over the line y = -x. What are the new coordinates of that point after the reflection?

• (6, 3)

• (-6, -3)

• (-3, 6)

• (3, -6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect the point (2, -4) over the y-axis. What are the new coordinates of that point after the reflection?

• (-4, 2)

• (-2, 4)

• (-2, -4)

• (2, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which graph is not a reflection?

• d

• c

• b

• a

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The image A'B'C' is a rotation of ABC.

• True

• False

Tags

CCSS.HSG.CO.B.6

CCSS.8.G.A.2

Reflections preserve rigid motion.

• True

• False

Tags

CCSS.HSG.CO.B.6

True or False: When a point is reflected across a line of symmetry, it is perpendicular to the pre-image.

• True

• False

Tags

CCSS.4.G.A.3