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- St. James 02 24 2025 Transforamtions In The Coordinate Plane
St. James-02-24-2025-Transforamtions in the Coordinate Plane
Presentation
•
Mathematics
•
9th - 12th Grade
•
Easy
Antoinette Norris Woodson
Used 1+ times
FREE Resource
18 Slides • 13 Questions
1
2
Open Ended
Pick ONE of the boxes below that has the most in common with the box on the right.
Write your reasoning using a complete sentence(s).
3
D. is the correct answer.The star is placed inside all of the circles and the square.
4
Geometric Transformations
in the Coordinate Plane
Reflections
Rotation
Translation
Dilation
5
6
7
8
18
Reflection across y-axis
Reflection across x-axis
Preimage
Image
(3, 4)
(2, 1)
Preimage
Image
(-2, 4)
(-2, -4)
9
10
11
12
4
Academic Vocabulary
Reflection
pre-image
image
Line of
reflection
13
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?
14
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?
15
16
Multiple Choice
What are the coordinates for B' after a reflection over the x-axis?
(-2,4)
(4,-2)
(-2,-4)
(2,4)
17
Fill in the Blanks
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)
Type answer...
18
19
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?
20
21
Multiple Choice
What are the coordinates for C' after a reflection over the y-axis?
(1,2)
(-1,-2)
(2,1)
(-1,2)
22
Fill in the Blanks
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)
Type answer...
23
24
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?
25
26
Multiple Choice
What are the coordinates for A' after a reflection over the line y=x?
(-5,2)
(2,-5)
(5,2)
(2,5)
27
Fill in the Blanks
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)
Type answer...
28
29
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.
30
31
Open Ended
Exit Ticket
Write the rule for each of the following.
1) r(x-axis)
2) r(y-axis)
3)r(y=x)
Show answer
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