Reflection Geometry

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

• 90^o counterclockwise rotation

• Reflection across the x-axis

• Translation

• 90^o clockwise rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the Algebraic Notation for this Reflection?

• (x, y) → (y, x)

• (x, y) → (-x, y)

• (x, y) → (-y, -x)

• (x, y) → (x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

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

Find the line of reflection for the transformation.​ (a)  

• y=-2

• y=x

• y=-x

• x-axis

• y-axis

• x=-2

Tags

CCSS.HSG.CO.B.6

​ (a)   is the ONLY transformations that flips x and y in their rule.

• Rotation

• Reflections

• Translation

• Reflection

• Dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the algebraic representation for reflecting a figure over the x-axis?

• (x, y) --> (x, -y)

• (x, y) --> (-x, -y)

• (x, y) --> (-x, y)

• (x, y) --> (y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Does this transformation represent a rigid motion?

• Yes, it's a relfection

• Yes, it's a translation

• No, it's a reflection

• No, it's a rotation

Tags

CCSS.8.G.A.3

What is this transformation?
(x, y) ----> (-x, y) 

• Reflect over the x axis

• Reflect over the y-axis

• Slide down 1

• slide left 1

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect the point (2, -4) over the y-axis.

• (-4, 2)

• (-2, 4)

• (-2, -4)

• (2, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5