janessagall2005 janessagall2005
  • 12-05-2021
  • Mathematics
contestada

What is the equation of a circle with center at (4, -2) and a radius of 7?

Respuesta :

gurungrekha491
gurungrekha491 gurungrekha491
  • 12-05-2021

let h= 4, k=-2 and r= 7 then

(x-h)^2 + (y-k)^2 = r^2

(x-4)^2 + (y+2)^2 = 7^2

x^2 -8x +16 + y^2 +4y +4 = 49

x^2 +y^2 -8x +4y +16 +4-49 = 0

x^2 + y^2 -8x +4y -29 = 0 is the required eq

Answer Link

Otras preguntas

What are two ways to write 6/9
How does the ziggurat at dur sharrukin symbolize the assyrian ruler's claim to empire?
What is the value of x in the equation 2x – 3 = 9 – 4x?
Which of the following are features of blank verse? a poem written in unrhymed iambic pentameter a poem in 14 lines with a strict rhyme pattern a poem without r
What in the main are the Objectives of NGP?
can someone help me with this?
what were three beliefs of the settlers that were moving out west?
Can someone help me whose good at geometry?
Maryland was different from the other colonies
I don't get all of this number's 20-46 pls help me do this HW I really need help please......