Rigid Transformations

Rigid Transformations

REFLECTIONS

Open Ended

Let's Discuss.

1.What is the same for each point?

2.What is different for each point?

3.What is the rule for reflecting over the x-axis?

Multiple Choice

What are the coordinates for B' after a reflection over the x-axis?

• (-2,4)

• (4,-2)

• (-2,-4)

• (2,4)

Fill in the Blank

A preimage has point A located at (5,3). What are the coordinates for point A' after reflecting over the x-axis? (Write your answer without spaces)

Open Ended

Let's Discuss.

1.What is the same for each point?

2.What is different for each point?

3.What is the rule for reflecting over the y-axis?

Multiple Choice

What are the coordinates for C' after a reflection over the y-axis?

• (1,2)

• (-1,-2)

• (2,1)

• (-1,2)

Fill in the Blank

A preimage has point A located at (5,3). What are the coordinates for point A' after reflecting over the y-axis? (Write your answer without spaces)

Open Ended

Let's Discuss.

1.What is the same for each point?

2.What is different for each point?

3.What is the rule for reflecting over the line y = x?

Multiple Choice

What are the coordinates for A' after a reflection over the line y=x?

• (-5,2)

• (2,-5)

• (5,2)

• (2,5)

Fill in the Blank

A preimage has point D located at (2,7). What are the coordinates for point A' after reflecting over the line y=x? (Write your answer without spaces)

Open Ended

Let's Discuss.

What do you think is the line of reflection? Why?

Hint: It is not the x-axis, y-axis, or the line y = x.

Open Ended

Exit Ticket

Write the rule for each of the following.

1) r_(x-axis)

2) r_(y-axis)

3)r_(y=x)