Reflecting Shapes Over the X-Axis and Y-Axis

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation

• 90^o counter clockwise rotation

• Reflection across the y-axis

• Reflection across the x-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is a reflection in transformation geometry?

• A reflection is a transformation that stretches a figure over a line.

• A reflection is a transformation that rotates a figure over a line.

• A reflection is a transformation that flips a figure over a line to create a mirror image.

• A reflection is a transformation that translates a figure over a line.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Translations, reflections and rotations are all known as...

• Geometry

• Transformations

• Congruent

• Shapes

Identify the transformation from ABC to A'B'C'.

• (x+8, y+4)

• (x-8, y-4)

• (x+4, y+8)

• (x-4, y-8)

Tags

CCSS.HSG.CO.A.2

What is the reflection of R (-1, 6) over the y-axis?

• R'(1, 6)

• R'(6, 1)

• R' (-1, 6)

• R' (-6, 1)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflections over the x-axis change the ____-__________. 

• y-coordinate

• x-coordinate

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

State the line of reflection.

• Reflection across y-axis

• Reflection across x-axis

• Reflection across x = 1

• Reflection across y = 1

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect about the y -axis
(-3 , -6)

• 3,6

• -3,6

• 3,-6

• 3,6

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect about the x-axis
(9, -1)

• 9,1

• 9,-1

• -9,-1

• -9,1

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect (6, -3) over the line x-axis.

• (6, 3)

• (-6, -3)

• (-3, 6)

• (3, -6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5