Mathematics, 22.07.2019 03:30 madiforkner
Plz asap features of a circle from its expanded equation
Answers: 1
![x^{2} +y^{2} +14x-10y+65=0 \\ \\ x^{2} +2(x)(7)+ y^{2}-2(y)(5)=-65 \\ \\ x^{2} +2(x)(7)+ (7)^{2}+ [y^{2}-2(y)(5)+ (5)^{2}]=-65+(7)^{2}+(5)^{2} \\ \\ (x+7)^{2}+(y-5)^{2}=9](/tpl/images/0118/1369/b0d43.png)
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