SOLUTION: Write an equation of a circle that has a center (-1,-3) and is tangent to the line 3x+y= -1

SOLUTION: Write an equation of a circle that has a center (-1,-3) and is tangent to the line 3x+y= -1

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Question 753011: Write an equation of a circle that has a center (-1,-3) and is tangent to the line 3x+y= -1
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
L: 3x+y+1=0 and P: (-1,-3)
The perpendicular distance from L to P is to be the radius:

From the equation of a circle:

:)
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