171,346 views
37 votes
37 votes
May I please get help with this where I have tried multiple times but still cannot find the right answers for them

May I please get help with this where I have tried multiple times but still cannot-example-1
User Piotr Justyna
by
2.7k points

1 Answer

26 votes
26 votes

Given a point with coordinates (x, y), to rotate 90º counterclockwise, the rule is:


(x,y)\Rightarrow(-y,x)

In thisc ase, we have the point:


(2,-1)

Applying the rule:


(2,-1)\Rightarrow(1,2)

User Worldterminator
by
2.6k points
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