Question

HELP ME PLEASE !
Which of the following could be points on the unit circle?
(I know D is wrong)

Answer 1

I think B is correct

Answer 2

Find the magnitude
\[\sqrt(x^2+y^2) = 1\]
^^ This must be true for it to be on the unit circle.

Answer 3

@DoYourHomework B is correct right ?

Answer 4

\[\sqrt((4/3)^2+(4/5)^2) \neq 1\]
no

Answer 5

C and D are correct.

Answer 6

5^2+12^2=13^2

Answer 7

d is correct