samantharobinso1 samantharobinso1

11-04-2018
Mathematics

contestada

What is the image of the point Q(-1, 4, 5) after a reflection about xy- plane and then about the yz-plane ?

What is the image of the point Q1 4 5 after a reflection about xy plane and then about the yzplane class=

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mkryukova19 mkryukova19

11-04-2018

when reflecting about xy-plane , it is going to change z-coordinate in its opposite Q1 (-1, 4, 5)
then it is reflecting about the yz-plane , the x coordinate is going to change in its opposite Q2(1,4,5)

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