Life is A circle

Write an equation of a circle with center at the origin and has a radius of 8 centimeters.

• x² + y² = 8

• x² + y² = 16

• x² + y² = 64

• x + y = 8

If Donovan’s equation is x² + y² = 12, which TWO statements are true about his circle?

• The center of the circle is at (0,12)

• The center of the circle is at (0,0).

• The center of the circle is at (12,0).

• The radius of the circle is √12.

• The radius of the circle is 12.

• (-6, 8)

• (0, 10)

• (8, 7)

• (5, 6)

Which of the following is the equation of the circle?

A circle with center at the origin passes through the point (5, –3). Part A: Which of the following is the equation of the circle?

• x² + y² = 34

• x² + y² = √8

• x² + y² = 9

• x² + y² = √34

A circle with center at the origin passes through the point (5, –3). Part B: Which of the following points lie inside the circle?

• (3, 5)

• (4, –3)

• (–1, 6)

• (6, 0)

• A

• B

• C

• D

• A

• B

• C

• D

• E

• A

• B

• C

• D

• A

• B

• C

• D