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

User Gergely Szabo
by
2.8k points

1 Answer

28 votes
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)

User Vinod Tigadi
by
3.0k points
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