SOLUTION: Complete the square and write the equation in standard form. Then give the center and radius of the circle.
x2 + 18x + 81 + y2 - 8y + 16 = 81
Algebra.Com
Question 1179456: Complete the square and write the equation in standard form. Then give the center and radius of the circle.
x2 + 18x + 81 + y2 - 8y + 16 = 81
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
You could start, this way:
x^2+18x+81, etc. but in your equation example, completing the square is not needed. LOOK -
------you see, two square trinomials. FACTORIZE EACH!
RELATED QUESTIONS
Complete the square and write the equation in standard form. Then give the center and... (answered by mducky2)
Complete the square and write the equation in standard form. Then give the center and... (answered by josgarithmetic)
Complete the square and write the equation in standard form. Then give the center and... (answered by josgarithmetic,Edwin McCravy)
Complete the square and write the equation in standard form. Then give the center and... (answered by ewatrrr)
Complete the square and write the equation in standard form.Then give the center and... (answered by solver91311)
Complete the square and write the equation in standard form. Then give the center and... (answered by orca)
Complete the square and write the equation in standard form. Then give the center and... (answered by Fombitz)
Complete the square and write the equation in standard form. Then give the center and... (answered by ewatrrr)
Write the equation of the following circle in standard form; find the center and radius... (answered by josgarithmetic)