(x-6)^2+(y+5)^2=16

3 min read Jun 17, 2024
(x-6)^2+(y+5)^2=16

Exploring the Circle: (x-6)^2 + (y+5)^2 = 16

The equation (x-6)^2 + (y+5)^2 = 16 represents a circle in the Cartesian coordinate system. Let's break down the components and understand its significance.

Understanding the Equation

  • Standard Form: The equation is written in standard form for a circle: (x-h)^2 + (y-k)^2 = r^2. This form provides us with key information about the circle.
  • Center: The values of 'h' and 'k' represent the coordinates of the circle's center. In our equation, h = 6 and k = -5. Therefore, the center of the circle is located at (6, -5).
  • Radius: The value of 'r' represents the circle's radius. In our equation, r^2 = 16, meaning r = 4. The circle has a radius of 4 units.

Visualizing the Circle

Using the information from the equation, we can visualize the circle:

  1. Plot the Center: Mark the point (6, -5) on the coordinate plane.
  2. Draw the Radius: From the center, measure out 4 units in all directions (up, down, left, right).
  3. Complete the Circle: Connect the points you marked in step 2 to form a complete circle.

Applications and Importance

Understanding the equation of a circle is fundamental in various fields:

  • Geometry: The equation helps describe and analyze geometric shapes.
  • Physics: Circles are essential in describing motion and trajectories, particularly in areas like circular motion.
  • Engineering: Circular shapes are prevalent in design and construction, from gears to pipes.
  • Computer Graphics: Circles are foundational in computer graphics, used for various shapes and patterns.

Conclusion

The equation (x-6)^2 + (y+5)^2 = 16 provides a concise and informative way to represent a circle. It allows us to quickly determine the circle's center, radius, and visualize its shape. Understanding this equation is crucial for various applications across different fields.

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