College Algebra
posted by Amary .
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

rearrange things a bit:
x^2+14x + y^2+18y = 81
x^2+14x+49 + y^2+18y+81 = 81 + 49 + 81
(x+7)^2 + (y+9)^2 = 49
now the rest is easy.
C'mon back if you get stuck.
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 
college algebra
write the equation of the circle in standard form find the center radius, intercept and graph circle x^2 +y^2+8x+2y+8=0 
college algebra
Write the equation of the circle in standard form. Find the center, radius and intercepts. x^2 + y^2 + 4x + 2y  20 = 0 
college algebra
1. for the given slopeinntercept equation of the line with the following properties parallel to the line y=7; containing the (3,5) 2. write the equation of the circle in standard form. find the center, radius, intercepts. x^2+y^2+16x18y+145=25 … 
College Algebra
Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle. x^2+y^2+16x18y+145=25 
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? 
Algerbra
Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle. x2+y2+16x−18y+145=25 Standard form (xh)^2 +(yk)^2 k 
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