Question

Please help?




The image of (x,y)--->(x+1, y-5) is D'E' as shown in the diagram in the comments. Draw the preimage.

I don't know how to do that! Please help if you can!

Answer 1

This is like the other one, only backwards......

Answer 2

which other one?

Answer 3

Yesterday, when you moved the triangle, you wanted the image.

This time, the segment has been moved already and you want to send it back (inverse)

Answer 4

okay. How do I do that?

Answer 5

Wel, you know that it was t(1,-5) that took it to where it is now so to take it back

t(-1,5)

Answer 6

OK?

Answer 7

Okay, I think

Answer 8

What is t?

Answer 9

Your linesegment has 2 endpoints, say one of them is (7,-1) so it will go to (7-1),(-1+5)

(t is translation)

Answer 10

Ah, got it

Answer 11

:-)

Answer 12

Thank you!

Answer 13

ur welcome