## Related questions with answers

Question

Find an equation of the circle that satisfies the stated conditions.

Center $C(4,-1)$, tangent to the $x$-axis

Solution

VerifiedAnswered 1 year ago

Answered 1 year ago

Step 1

1 of 4To find an equation to a circle, follow the steps below

- determine the coordinates for a center $(C)$ and the value of a radius $(r)$
- substitute the values to the equation

$(x-h)^2+(y-k)^2=r^2$

Note that when the center $(C)$ is $(0,0)$, we reduce the equation to

$x^2+y^2=r^2$

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