+0  
 
0
255
3
avatar+284 

What is the equation for the line of reflection that maps the trapezoid onto itself?

x=−2

x = 0

y = 2.5

y = 4

how do i add the pic up here

sii1lver  Jan 7, 2018
 #1
avatar+88836 
+1

 

If you have a URL for the pic, you can just include it in the post.....we will be able to access it

 

If not....

 

1st.....you must have the image saved on your hard drive....I use the Snipping Tool  for this

 

2nd......click on the "Image" icon above

 

3rd....hit the "upload tab"

 

4th....choose the file you wish to upload.....hit  "open"

 

5th.....hit the "upload" tab......you might be asked to verify  some  "Captcha" images

 

 

cool cool cool

CPhill  Jan 7, 2018
 #2
avatar+284 
0

Here it is https://static.k12.com/nextgen_media/assets/8080857-NG_GMT_SemA_IT_01_30.png

sii1lver  Jan 7, 2018
 #3
avatar+88836 
+1

x  =  -2

 

To see this......imagine that we rotate [ "spin" ] the trapezoid about this line......it maps the trapezoid back to its original image

 

 

cool cool cool

CPhill  Jan 7, 2018
edited by CPhill  Jan 7, 2018

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