Unit 6b lesson5 quiz

1. What is the equation of a circle with center (3,4) and radius 5?

A) (x - 3)^2 + (y - 4)^2 = 25

2. What is the center and radius of the following circle equation: (x - 2)^2 + (y + 1)^2 = 9?

A) Center: (2, -1), Radius: 3

3. Which of the following is the standard form for the equation of a circle?

A) (x - h)^2 + (y - k)^2 = r^2

4. What is the equation of a circle with center (-2,5) and passing through the point (4,5)?

A) (x + 2)^2 + (y - 5)^2 = 36

5. Determine whether the point (2,3) lies inside, outside, or on the circle with equation (x - 1)^2 + (y - 2)^2 = 9.

A) The point lies on the circle.