SOLUTION: please solve this problem:
For what value of k will the equation below describe a circle of radius 3 units?
x^2 + Y^2 + 2X - 4Y + K = 0
Algebra.Com
Question 321940: please solve this problem:
For what value of k will the equation below describe a circle of radius 3 units?
x^2 + Y^2 + 2X - 4Y + K = 0
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Complete the square in x and y.
Compare to the general equation of a circle centered at (,) with a radius .
RELATED QUESTIONS
Please help me figure out this problem: 2x^2+2y^2+16x+8y−32=0 is the equation of a... (answered by lwsshak3)
could you help me about this?
Derermine the value (or set of values) of K for which the... (answered by stanbon)
for the equation x^2+y^2-2x-4y-11=0
a.) find the center (h,k) and radius r of the... (answered by josmiceli)
Could you help me about this?
For what value of K will the equation... (answered by Theo)
with the equation: {{{2x^2-10x+2y^2-18y=1}}} how do I make an equation for a circle... (answered by Alan3354)
If the radius of the circle x^2+y^2-6x+4y+k=0 find the equation of the circle with center (answered by ikleyn,josgarithmetic,Alan3354)
The equation x^2+y^2-2x-4y-4=0 represents a circle. What are the coordinates for the... (answered by mathmate)
the equation for the circle below ia x^2+y^2=64. what is the length of the circle... (answered by lynnlo)
Show steps please.
A circle has the equation x^2+y^2-x-4y+4=0
Graph the circle using... (answered by Alan3354)