Welcome :: Homework Help and Answers :: Mathskey.com

general form of (x-2)^2 + (y-4)^2 =36

1 Answer

(x-2)^2 + (y-4)^2 =36

Expand the equation using following formula.

(a-b)^2=a^2-2ab+b^2

(x-2)^2=x^2-2(x)(2)+2^2

=x^2-4x+4

(y-4)^2=y^2-2(y)(4)+4^2

=y^2-8y+16

(x-2)^2 + (y-4)^2 =36

x^2-4x+4+y^2-8y+16=36

x^2+y^2-4x-8y+20=36

x^2+y^2-4x-8y-16=0

answered Oct 13, 2017 by homeworkhelp Mentor
reshown Oct 13, 2017 by bradely

(x+2)^2+(y-2)^2=4 / Write in general form

asked Sep 28, 2018 in ALGEBRA 2 by anonymous
reshown Sep 28, 2018 by bradely

...