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.

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.

          .... (1)

The standard form of the circle is

            ... (2)

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.

i dont know sorry

step-by-step explanation:

10/60

step-by-step explanation:

if you divide 10 by 60 the answer is 0.166666 while if you divide or solve the other problems it equals 0.6