SOLUTION: Find the equation of the circle (standard form) with center at (3,-4) and passing through (-1,-4). (show your soution)

Question 394955: Find the equation of the circle (standard form) with center at (3,-4) and passing through (-1,-4). (show your soution)
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Starting with the standard form for a circle of radius r and center at (h, k):

The center is given as (3, -4) so h = 3 and k = -4. Substitute.
Find by substituting the x- and y-coordinates of the given point and solving for r or use the distance formula to find the distance from the center (3, -4) to the point on the circle (-1, -4):
Substitute x = -1 and y = -4.
Evaluate.

Final equation is:

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