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

Which is the first step in the process during the formation of molded fossils?

Evaluate the expression for y=17 y+15=

Which sentence from "In with the New" includes a stated character trait? "To brighten the mood, Samantha folded her napkin and crammed it on her head so she loo

Which species is oxidized in the following reaction? CO2 + H2 → CO + H2O A. H B. CO2 C. C D. O

Identify which of the following sets of numbers the number belongs to: rational numbers, integers, whole numbers. 101 A. Rational Number B. Whole Number C. Inte

What does asking "What is an author’s relationship to the material?” help to identify? purpose point of view historical context intended audience

olivia can run 100 yards in 15 seconds. what is her speed in miles per hour?

Select the appropriate shape for the given volume formula

The changes in the land in the path of a receding glacier is a good example of ____________________.

Sort these molecules into the appropriate bin according to their polarity.Drag the appropriate items to their respective bins.HBr CO2 BF3 H2 CH4 NH3Polar