Ask Question
20 October, 19:10

Explain the steps necessary to find the center and radius of the circle below. x2 + 4x + y2 - 6y = 9 Then, find the center and the radius of this circle and sketch the graph of the circle.

+3
Answers (1)
  1. 20 October, 20:16
    0
    The necessary step to find the center and radius is complete the square so it is in the format (x - h) ² + (y - k) ² = r²

    x² + 4x + (4) + y² - 6y + (9) = 9 + (4) + (9)

    → (x + 2) ² + (y - 3) ² = 22

    Center: (-2, 3)

    radius: √22
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Explain the steps necessary to find the center and radius of the circle below. x2 + 4x + y2 - 6y = 9 Then, find the center and the radius ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers