for-the-following-circle-equation-complete-the-squares-in-order-to-write-the-who-5

Question

For the following circle equation, complete the squares in order to write the whole equation in standard form. Identify the center and radius, and then graph.

x² + y² - 4x + 18y + 21 = 0

Accepted Answer

Standard Form: (x - 2)² + (y + 9)² = 64; Center = (2, - 9); Radius, r = 8; Graph:

Graph of a circle with center at (2, -9) and radius 8, in the context of college algebra.

Answer

Standard Form: (x - 2)² + (y + 9)² = 64; Center = (2, - 9); Radius, r = 16; Graph:

Graph of a circle with center at (2, -9) and radius 16, in the context of college algebra.

Answer

Standard Form: (x + 2)² + (y - 9)² = 64; Center = (2, - 9); Radius, r = 8; Graph:

Graph of a circle with center at (2, -9) and radius 8, in the context of college algebra.

Answer

Standard Form: (x + 2)² + (y - 9)² = 64; Center = (2, - 9); Radius, r = 16; Graph:

Graph of a circle with center at (2, -9) and radius 16, in the context of college algebra.

For the following circle equation, complete the squares in order to write the whole equation in standard form. Identify the center and radius, and then graph.x2 + y2 - 4x + 18y + 21 = 0

For the following circle equation, complete the squares in order to write the whole equation in standard form. Identify the center and radius, and then graph.
x² + y² - 4x + 18y + 21 = 0