Reflections Over the Axis

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

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

Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Is the picture being reflected in the y-axis or x-axis?

• y-axis

• x-axis

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

Complete the mapping for a reflection over the x-axis:

(x, y) --> (​ (a)   ,​ (b)   )

• x

• -y

• -x

• y

Tags

reflections

transformations

mappings

Reflect C(7, 3) over the x-axis.

Click on the correct location of C' on the graph.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A reflection over the x-axis causes the ​ (a)   to stay the same and the ​ (b)   to switch.

The algebraic representation is ​ (c)  

• x-value

• y-value

• (x, y)-->(x, -y)

• (x, y)-->(-x, y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Complete the mapping for a reflection over the x-axis:

• x

• -y

• -x

• y

Tags

reflections

transformations

mappings

Given pre-image point (-2,5)

Plot the pre-image & image after a reflection over the x-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5