Points on in or Outside Circle

Is line AB tangent to the circle?

• YES

• NO
  NO

• Not Enough Info

Find the measure of angle ABD.

• 14

• 51

• 37

• 65

find the measure of angle a

• 30

• 21

• 60

• 120

Is the point (-3 , 5) inside, outside or on the circle with equation (x+2)² + (y-4)² = 9?

• Inside the Circle

• Outside the Circle

• On the Circle

A meteorite damaged a portion of a farm expressed by the equation (x - 6)² + (y - 7)² = 16. Which item on the farm was not damaged by the meteorite?

• The Silo located at
  (2, 4)

• The Barn located at
  (4, 6)

• The Pigpen located at
  (8,9)

Prove or disprove that the point (3,4) lies on the circle centered at the origin and has a radius of 5.

• (3,4) lies on the circle

• (3,4) lies outside the circle

• (3,4) lies inside the circle

Does the point (4,5) lie on the circle whose center is (-2,-2) and radius 9?

• yes

• No

Is the point (3 , 5) inside, outside or on the circle with equation x² + y² = 9?

• Inside the Circle

• Outside the Circle

• On the Circle

For what value of K is the point (1 , K) inside the circle with equation x² + y² = 4?

• K = 1

• K = 2

• K = 3

• K = 4

How do you determine if a point is inside the circle?

• See if value after substitution for (x, y) = r²

• See if value after substitution for (x, y) > r²

• See if value after substitution for (x, y) < r²