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Circle Equation Warm Up 2

Last updated almost 3 years ago

3 questions

1

1

1

Question 1

1.

What are the center and radius of the circle with equation

center= (-1,2), radius=2

center= (1,-2), radius=16

center= (-1,2), radius=4

center= (1,-2), radius=2

Question 2

2.

Which point lies on the circle with equation

(3,-3)

(-2,8)

(3,-7)

(3,-2)

Question 3

3.

The equation
represents circle A. The point B (4,7) lies in the circle.
What is the radius of circle A?

5