en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

x^2+y^2=81

Solution

x^{2} + y^{2} = 81

Solution

(a, b) = (0, 0), r = 9

Solution steps

x^{2} + y^{2} = 81

Rewrite

x^{2} + y^{2} = 81

in the form of the standard circle equation

(x - 0)^{2} + (y - 0)^{2} = 9^{2}

Therefore the circle properties are:

(a, b) = (0, 0), r = 9

Popular Examples

slope of f(x)=2x^2-x+2(-1.5)slope

f (x) = 2 x^{2} - x + 2 (- 1.5)

r = 2

integral of cos^2(x)integral

cos^{2} (x)

derivative of f(x)=3x^2 derivative of

f (x) = 3 x^{2}

polar (4sqrt(2),4sqrt(2))cartesian to polar

(42, 42)

Frequently Asked Questions (FAQ)

What is x^2+y^2=81 ?
The solution to x^2+y^2=81 is Circle with (a,b)=(0,0),r=9