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

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

NEED HELP ASAP ALGEBRA 2Find the third side in the simplest radical form

About how many more times more energy would an earthquake measuring 9.0 on the Richter scale release than an earthquake measuring 5.0? A. 40 B. 10,000 C. 31,600

The open interest on silver futures at a particular time is the Group of answer choices number of all long or short silver futures contracts outstanding. number

The direction of rotation of a dc series motor or a universal motor connected to a dc power source A) depends on the polarities of the armature and field curren

Elijah likes to dress up in women's clothing and experiences sexual arousal from it. He is especially fond of formal eveningwear. Elijah's behavior is an exampl

illustrate a body of mass 5.0kg pulled by horizontal force F . if the body accelerates 2.0ms² and experience a frictional force of 5N a. calculate the netforce

what steps did balban take to increase revenue

Find the area of a parallelogram with a base of 7 metres and a height of 8 metres. Show full working out

solve for x: 7^2x+3 =2401 . show substitution of your solution to verify the equation. show steps. show work.

what is soil made up of