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

lYour friend says, "I have some extra money, but I'm not sure if I should save or invest it." What key questions would you ask your friend to help them figure o

A telescope contains both a parabolic mirror and a hyperbolic mirror. They share focus F1, which is 46 feet above the vertex of the parabola. The hyperbola's

Find the surface area of a cube that has side length of 3.5 inches

subrayar los enunciados Soy un lápiz, el ordinario lápiz de madera, familiar para todos los niños, niñas y adultos que saben leer y escribir. Escribir es mi vo

why is the demand of drinking water increasing in Nepal?

Once you identified a potential conflict of interest,which question should you ask yourself next?

Activity 1.2.1: Sentence completion Complete the following sentences by choosing the correct word or phrase from the alternatives given. 1. I need a quiet place

write down any six impacts of uncontrolled migration on economic

the first attempt to classify the elements was made by newlands true or false

The earliest atmosphere on earth was composed of A. Oxygen, carbon dioxide and nitrogen B. Carbon dioxide steam nitrogen nothing and ammonia C. Hydrogen and hel