Question 797240: Find an equation of the circle that has center C(4, −2) and is tangent to the line y = 3. (Give your answer in standard notation.)
Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! Find an equation of the circle that has center C(4, −2) and is tangent to the line y = 3. (Give your answer in standard notation.)
**
Standard form of equation for a circle: (x-h)^2+(y-k)^2=r^2,(h,k)=(x,y) coordinates of center, r=radius
For given circle:
radius=5(distance from y-coordinate of center(-2) to tangent line y=3
equation:(x-4)^2+(y+2)^2=25
|
|
|