de

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Beliebt Geometry >

x^2+y^2=81

Lösung

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

Lösung

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

Schritte zur Lösung

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

Graph

Beliebte Beispiele

foki (x^2)/4+((y+4)^2)/(25)=1

f oc i \frac{x ^{2}}{4} + \frac{( y + 4 ) ^{2}}{25} = 1

foki (y^2)/4-x^2=1

f oc i \frac{y ^{2}}{4} - x^{2} = 1

(y^2}{16}-\frac{x^2)/9 =1

\frac{y ^{2}}{16} - \frac{x ^{2}}{9} = 1

scheitelpunkte (x^2)/9+(y^2)/4 =1

v er t i ces \frac{x ^{2}}{9} + \frac{y ^{2}}{4} = 1

foki (x^2)/9-(y^2)/(16)=1

f oc i \frac{x ^{2}}{9} - \frac{y ^{2}}{16} = 1