precal
posted by ladybug .
find the center (h,k) and radius r of the circle and then find the intercepts, if any.
5x^2+30x+5y^2=0

divide by 5
x^2 + 6x + y^2 = 0
complete the square for the x terms
x^2 + 6x + 9 + y^2 = 9
(x+3)^2 + y^2= 9
take it from there
Respond to this Question
Similar Questions

Math
These questions that I have completed are on a test review for my exam and I would just like to know if they are correct. These are only a few of the questions, I have more that are just not complete yet. Thank You! 1) List the intercepts … 
Math
write the equation of the circle in standard form. find the center, radius, intercepts, and graph the circle. x^2+y^26x8y+25=36 
College Algebra
Write the equation of a circle in standard Find the center, radius intercepts and graph the circle. .........x^2+y^212x4y+36=0 
calculus
find the center (h,k) and radius r of the circle and then use these to (a)graph circle, (b) find intercepts if any 
college algebraplz help
a circle has the equation 3(x5)^2_3y^2=12. Find the center and radius and graph the circle. find the intercepts, if any. plz show work 
College Algebra
Write the equation of the circle in standard form. Find the center, radius, intercepts and graph the circle. x^2+y^2+14x+18y=81 
pre calculus
Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle. x^2+y^212x4x+36=0 How on earth do I do this? 
Find the center (h,k) and radius
Find the center (h,k) and radius r of the circle and then use these to (a) graph the circle and (b) find the intercepts, if any. 3x^2+36x+3y^2=0 
Algebra
2. Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle. x2+y2+8x+2y+8=0 
college precalculus
4x^2+4y^216x24y+51=0 is the equation of a circle. where is the center of the circle and what is it's radius?