January, 2015 - TheMathWorld

Problem 487

What is the point of symmetry for the following circle? Solution:- Symmetry occurs at the center. (-3, -1)

Write the equation of a circle with a center at (1, 2) and a radius of 1.3. Solution:- Use the general formula (x – h)2 + (y –…

Write the equation of a circle with a center at (0, 3) and a radius of 1. Solution:- Use the general formula (x – h)2 + (y –…

Write the equation of a circle with a center at (-4, 2) and a radius of 5. Solution:- Use the general formula (x – h)2 + (y –…

Write the equation of a circle with a center at (-2, -5) and a radius of 6.5. Solution:- Use the general formula (x – h)2 + (y –…

What is the radius of the following graph? Solution:- Circle with a center at (3, -7) and a radius of 3. So the radius of the circle…

What is the radius of the following graph? Solution:- Circle with center at (2, 2) and a radius of 2 units. So the radius of the…

What is the equation of the following graph? Solution:- Circle with a center at (3, -7) and a radius of 3. (x – 3)2 + (y + 7)2 =…

What is the equation of the following graph? Solution:- Circle with a center at (-5, 6) and a radius of 4. (x+5)2 + (y-6)2 = 16

What is the equation of the following graph? Solution:- This is a circle with a center at (0, 0) and a radius of 4. x2 +…