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

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

Correct these mistake from a student's letter . 1.I want more informations. 2.I write to ask for details. 3.I have fifteen years and I am going to school. 4.Tel

A definition essay is one which will do all of the following except what? a. provide specific examples b. give specific meaning and reasoning c. provide pers

you commute to work by riding a bus each day for $4.25 round trip a weekly pass is available for $19.75 a week if you work 5 days a week how much can you save b

This summer, my sister wants to go to the ocean, my brother prefers the mountains, yet I'd rather go to the lake.

Number 2 instructions please I am confused

Which is the strongest lead for an essay about animal behavior? A. Animals can behave very differently. B. What would you think if you saw a chick with a litter

a(n) ________ is any solid mass of mineral or mineral-like matter that occurs naturally as part of earth I need help asapthis is earth science by the way sec

HURRY HELP PEASE The Constitution has laid out four paths for amendments. Identify and describe the path that has been used for most amendments.

What is the length of Line AC?

Which idea is associated with Horace Bushnell? A. religious liberalism B. religious fundamentalism C. religious intolerance D. religious liberty