Seudónimo Seudónimo
  • 21-07-2014
  • Mathematics
contestada

given the equation of a circle x^2+y^2-10x+4y+13=0. find its center and radius. i am having trouble please help

Respuesta :

konrad509
konrad509 konrad509
  • 21-07-2014
[tex] x^2+y^2-10x+4y+13=0\\ x^2-10x+25+y^2+4y+4-16=0\\ (x-5)^2+(y+2)^2=16\\\\ \hbox{center}=(5,-2)\\ r=4[/tex]
Answer Link

Otras preguntas

8. Crosslinking will not occur at temperatures below (A) 90°F (32°C) (B) 80°F (26.6°C) (C) 70°F (21°C) (D) 60°F (15.5°C)
There are 57 ounces of cereal in 5 boxes. At this rate, how many ounces of cereal are in 8 boxes?
State Snells law of refraction
ASAP! GIVING BRAINLIEST! Please read the question THEN answer correctly! No guessing. Show your work or give an explaination.
Which of the following is NOT NECESSARILY TRUE?
Need help with math
I don’t what this is help
what is the value of 4P4 in permutation?
3. During the Cold War, which of the following believed in an unlimited communist government with a socialist economy? (7-5.1) a. Soviet Union b. Greece c. Sout
Before drinking the liquid in the bottle in Scene 3, act 4 Juliet asks her mother and the Nurse to leave her alone. Based on her last speech in the scene, would