NotSoGoodAtMath7056 NotSoGoodAtMath7056
  • 04-09-2017
  • Mathematics
contestada

Find the center and radius of the circle described by x2 + y2 − 6x + 12y − 19 = 0

Respuesta :

ghanami
ghanami ghanami
  • 04-09-2017
hello : 
x2 + y2 − 6x + 12y − 19 = 0
(x²-6x)+ (y²+12y) -19 = 0
(x²-6x+9)-9 + (y²+12y+36)-36 -19 = 0
(x-3)² + (y+6)² = 8²
the center is : (3 , -6) and radius : 8
Answer Link

Otras preguntas

father harvest 5 kilos of guavas on his farm.he give 2½ kilos to his children and the rest to their neighbors.how many kilos did he give to their neighbors?​
The Gulf Stream has a cooling effect on the climate of nearby land areas. True or False
Helppppp plssss I’m not tryna fail math !!!
1. You've found the body of someone who looks like they have been stabbed to death. Using the scientific method, walk through the steps you might take. You can
My teachers forbade me to smoke. (into direct speech)​
Find the equation of the line shown. 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10
What is the definition of the "Marketing Mix" ?
What are the opposing views on what the government wants to do about global climate change in Canada
3 1/2 divided by 2 3/5
Solve: 2(x+3)=x-4 Solve: 4(5x-2)=2(9x+3)