SOLUTION: Use the method of completing the square to solve the quadratic equation. (Enter your answers as a comma-separated list.) y2 − 18y = −82

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Use the method of completing the square to solve the quadratic equation. (Enter your answers as a comma-separated list.) y2 − 18y = −82      Log On


   

Question 1116441: Use the method of completing the square to solve the quadratic equation. (Enter your answers as a comma-separated list.)
y2 − 18y = −82
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
y^2 - 18y = -82


y^2 - 2*9y + 9^2 = -82 + 9^2


(y-9)^2 = -1


y- 9 = +/- sqrt%28-1%29


y - 9 = +/-i


y = 9 +/- i.

Solved, and two complex solutions are found.