What is the image point of (2, -1) after the transformation Px-axis o R90°?

Gergely Szabo asked Apr 10, 2023

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5 votes

Gergely Szabo asked Apr 10, 2023

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28 votes

We have to change the order in the coordinates and then change the sign in the new second coordinate:

$(2,-1)\rightarrow(-1,2)\rightarrow(-1,-2)$

so the answer is (-1,-2)

Vinod Tigadi answered Apr 16, 2023

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