, then we have to add 
to make it perfect square.
.
.
![[\because (a+b)^2=a^2+2ab+b^2)]](/tpl/images/0355/4650/0c334.png)
.... (1)
... (2)
Using the following equation, find the center and radius:
x2 + 4x + y2 - 6y = -4
the cent...
Mathematics, 01.11.2019 06:31 oofoofoof1
Using the following equation, find the center and radius:
x2 + 4x + y2 - 6y = -4
the center is located at (-2, 3), and the radius is 3.
the center is located at (2, -3), and the radius is 3.
the center is located at (-2, 3), and the radius is 9.
the center is located at (2, -3), and the radius is 9.
Answers: 1
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