Question

Help Me To Understand This Problem Plz

Answer 1

For the first question, any point rotating around the origin will use the equation \[(x ^{1},y ^{1})=(-y,x)\]

Answer 2

That's for 90 degrees counterclockwise only

Answer 3

so the coordiante plates of a are -2,1?

Answer 4

If the points are (-2,1) and you're rotating the 90 degrees clockwise around the origin then the translated coordinates would be (-1,-2)

Answer 5

counterclockwise* not clockwise, I'm sorry

Answer 6

omg thank you

Answer 7

No problem

Answer 8

hey can you help me with my other problems?

Answer 9

i only have nine more to ask....if you dont mind

Answer 10

No Problem, Ask anything