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maren17
17.10.2020 •
Mathematics
PLEASE HELP THIS IS DUE SOON
Indicate whether or not each real number is rational.
.
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Ответ:
The correct option is 1.
Step-by-step explanation:
The given equation of the circle is
It can be written as
If we have an expression
, then we have to add
to make it perfect square.
In first parenthesis the value of b is 4 so we will add
.
In second parenthesis the value of b is -6 so we will add
.
Add 9 on both the sides.
The standard form of the circle is
Where, (h,k) is center and r is radius.
From (1) and (2), we get
Therefore the center is located at (-2, 3), and the radius is 3. Option 1 is correct.