Question

Using the following equation, find the center and radius:

x2 + 2x + y2 + 4y = 20

The center is located at (1, 2), and the radius is 25.

The center is located at (−1, 2), and the radius is 25.

The center is located at (−1, −2), and the radius is 5.

The center is located at (1, 2), and the radius is 5.

Answer 1

@satellite73 i believe it is C

Answer 2

i just wanted to check my answer

Answer 3

\[x^2 + 2x + y^2 + 4y = 20 \] turn in to
ok let me check it i think you are right

Answer 4

yes, you are right
as always it is C

Answer 5

Thank you :D i may have a few more to check later on ill tag you if i do