Area of a Circle and a Sector

Question 1

What is the equation of a circle with a center at (–4, 0) that passes through the point (–2, 1)?

Revolt · Accepted Answer

(x + 4)² + y² = 5

Question 2

The point (0, 5) lies on a circle that is centered at the origin. Does (–3, –4) also lie on the circle?

Revolt · Accepted Answer

5

Question 3

The point (0, 5) lies on a circle that is centered at the origin. Does (–3, –4) also lie on the circle?

Revolt · Accepted Answer

yes

Question 4

The point (0, 5) lies on a circle that is centered at the origin. Does (–3, –4) also lie on the circle?

Revolt · Accepted Answer

5

Area of a Circle and a Sector Answers