Join the IDNLearn.com community and get your questions answered by knowledgeable individuals. Get prompt and accurate answers to your questions from our community of knowledgeable experts.

Find the standard equation for the circle having the given center and radius.
center (0,0)
radius 7


Sagot :

[tex]\textit{equation of a circle}\\\\ (x- h)^2+(y- k)^2= r^2 \hspace{5em}\stackrel{center}{(\underset{0}{h}~~,~~\underset{0}{k})}\qquad \stackrel{radius}{\underset{7}{r}} \\\\[-0.35em] ~\dotfill\\\\ ( ~~ x - 0 ~~ )^2 ~~ + ~~ ( ~~ y-0 ~~ )^2~~ = ~~7^2\implies x^2+y^2=49[/tex]