Example 1
Give an equation for the circle with center (-14, 54) and radius 64 units. |
Example 2
Give an equation for the circle with center (107, -3.78) and radius 4 units. |
Example 3
Is the point (-10, 30) on the circle with equation (x + 15)2 + (y – 35)2 = 102? If not, is the point in the interior or exterior of the circle? |
Example 4
Is the point (20, -12) on the circle with equation (x – 17)2 + (y + 8)2 = 25? If not, is the point in the interior or exterior of the circle? |
Example 5
Given the circle with equation (x + 22)2 + (y – 56)2 = 1681, give an equation for the line tangent to the circle at the point (-13, 96). |
Example 6
Given the circle with equation (x – 14)2 + (y + 3)2 = 169, give an equation for the line tangent to the circle at the point (19, 9). |