Welcome :: Homework Help and Answers :: Mathskey.com

Write equation of a circle

Write equation of circle in form (x-h)^2+(y-k)^2=r^2 than give value of each constants.

the radius of the circle is points (1,-1)

asked Jul 6, 2016 in PRECALCULUS by anonymous
reshown Jul 7, 2016 by goushi

Share this question

1 Answer

The radius of the circle point is .

Find the radius.

Substitute in the radius formula.

Find the circle equation.

Let the center point of the circle is origin.

The circle equation is

Substitute and in the circle equation

The circle equation is

answered Jul 7, 2016 by Anney Mentor

What is the values of h,k and y?

commented Jul 7, 2016 by anonymous
reshown Jul 7, 2016 by goushi

Consider the center point of the circle is origin.

The values and .

commented Jul 7, 2016 by Anney Mentor
reshown Jul 7, 2016 by goushi

...