SOLUTION: the equation 4x²- 24x + 4y² + 72y = 76 is equivalent to

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: the equation 4x²- 24x + 4y² + 72y = 76 is equivalent to       Log On


   



Question 1068045: the equation 4x²- 24x + 4y² + 72y = 76 is equivalent to
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
4%28x%5E2%2B6x%29%2B4%28y%5E2%2B18y%29=4%2A19

x%5E2%2B6x%2By%5E2%2B18y=19

* x%5E2%2B6x%2B9%2By%5E2%2B18y%2B81=19%2B9%2B81

highlight%28%28x%2B3%29%5E2%2B%28y%2B9%29%5E2=109%29
Circle with center at (-3,-9) and radius sqrt%28109%29




* Completing the Squares

Answer by ikleyn(52775) About Me  (Show Source):
You can put this solution on YOUR website!
.
Is equivalent to infinitely many other equations.

Mathematically speaking, this question is nonsense.