Finding Points on Unit Circle

A circle is modeled by the equation\(\left(x-3\right)^2+\left(y\ +3\right)^2\ =\ 25\) . Which of the following are also points on the circle.

• \left(7,\ 0\right)

• \left(5,\ 2\right)

• \left(-1,\ 0\right)

• \left(0,\ -7\right)

• \left(3,\ -8\right)

Which of the following points is the point related to this angle on the unit circle?

• (0,1)

• (-1,0)

Which of the following points is the point related to this angle on the unit circle?

• (0,-1)

• (-1,0)

• (0, 1)

• (1, 0)

• (0, -1)

• (-1, 0)

Which of the following points is in the unit circle?

• (1 / 2 , 1 / 2)

• (-√2 / 2 , -√2 / 2)

• (√2 / 3 , -√2 / 3)

• (3 / 2 , 2 / 3)

What are the coordinates of a point on the unit circle with an angle measure of π/4 radians?

• (sqrt(2)/2, sqrt(2)/2)

• (1, 1)

• (0, 1)

• (1, 0)

Tags

A1P.AF.A

What are the coordinates of a point on the unit circle with an angle measure of π/2 radians?

• (1, 1)

• (0, 1)

• (1, 0)

• (0, -1)

Tags

A1P.AF.A

What are the coordinates of a point on the unit circle with an angle measure of 45 degrees?

• (1, 0)

• (0.707, 0.707)

• (0, 1)

• (1, 1)

Tags

A1P.AF.A

What are the coordinates of a point on the unit circle with an angle measure of 90 degrees?

• (0, 1)

• (1, 1)

• (0, -1)

• (1, 0)

Tags

A1P.AF.A