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Geometry 7 Online
OpenStudy (elisaneedshelp):

Desperate help!!! Rectangle LMNP will be reflected over the y axis. What are the coordinates of the point that corresponds to Point P after Rectangle LMNP is reflected over the y axis? f. (-3, -1) g. (3, -1) h. (-3,1) i. (3,1)

OpenStudy (elisaneedshelp):

OpenStudy (elisaneedshelp):

@ganeshie8

OpenStudy (elisaneedshelp):

@zzr0ck3r @alekos

OpenStudy (elisaneedshelp):

@MrNood

OpenStudy (anonymous):

i think the first one

OpenStudy (elisaneedshelp):

Hopefully cuz idk how to reflect it

OpenStudy (alekos):

no. P is (-3,-1) and then it needs to be reflected

OpenStudy (elisaneedshelp):

but where do i reflect it. I get confused since the shape is in the middle

OpenStudy (elisaneedshelp):

plz help i dont have much time

OpenStudy (elisaneedshelp):

@navk

OpenStudy (elisaneedshelp):

@texaschic101

OpenStudy (anonymous):

First you need to determine the coordinates of point P from the coordinates of L, M and N.

OpenStudy (elisaneedshelp):

that would be -3,-1

OpenStudy (anonymous):

Actually from the figure it does not look like LMN complete to form a rectangle for any value of P. But they can form a parallelogram, though.

OpenStudy (elisaneedshelp):

so what do i do now? i dont know where to reflect it since its in the middle

OpenStudy (anonymous):

Any point (x, y) when reflected in the y-axis gives you the point (-x, y).

OpenStudy (anonymous):

So P(-3, -1) reflected gives P`(3, -1)

OpenStudy (elisaneedshelp):

so it would be here

OpenStudy (anonymous):

That is correct :)

OpenStudy (anonymous):

So the answer is g

OpenStudy (elisaneedshelp):

Thank you so much! Can i tag you in other questions?

OpenStudy (anonymous):

np

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