Post a New Question

college algebra

posted by on .

Write the equation of the circle in standard form. Find the center, radius and intercepts.

x^2 + y^2 + 4x + 2y - 20 = 0

  • college algebra - ,

    complete the square

    x^2 + 4x + 4 + y^2 + 2y + 1 = 20 + 4 + 1

    (x+2)^2 + (y+1)^2 = 25

    I will let you handle the rest, since this is a very basic result.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question