Question

Which of the following could be points on the unit circle?

A. (1/3,2/3)
B. (4/3,4/5)
C. (6/7, sqrt 13/7 )
D. (5/13, 12/13)

Answer 1

The equation for the unit circle is:
\[x^2 + y^2 = 1\] So, to check these points, plug in their x values and y values into this equation and see if it's true.

Answer 2

Thank you!!

Answer 3

You're welcome, glad I could help.

Answer 4

so what was the answer?

Answer 5

(1,1) & ( sqrt3/2, 1/3)