Ask a New Question
Search
Asked by
Boberto
Write the equation of each circle.
Center at (-1,8) passes through (9,3)
Answers
Answers
Answered by
Reiny
easiest way:
centre is (-1,8) , so the equation is
(x+1)^2 + (y-8)^2 = r^2
sub in the given point (9,3)
r^2 = 10^2 + (-5)^2 = 125
(x+1)^2 + (y-8)^2 = 125
Answered by
Boberto
thanks reiny
Answered by
Anonymous
Write an equation for a circle with center at (–8, 4) and diameter 2.
Related Questions
Related
What is the equation for a circle with a diameter having the following endpoints: N(0,1) and Q(18,1)...
1) write an equation for a circle with the center (2,0) and radius sqrt 11 2) Find the common rat...
Write the equation of a circle with a center at (15, –35) and a diameter of 100.
Write the equation for the circle with center at (- 8, - 6) and radius of 10. (x+8)² + (y + 6)² =...
Write an equation for each circle if the coordiantes of the center and length of the radius are a....
Write an equation for each circle described. Center at origin,radius is 3. I'm stuck.aren't I supp...
What is the equation for a circle given its center is at (4, -1) and its radius is 5? (x - 4)2 + (...
Consider the equation of a circle x^2-2x+y^2-4y-4=0. If the line 2x-y+a=0 is its diameter. Then...
Which is the equation of a circle with diameter AB with A(5, 4) and B(-1, -4)?