5.05 Quiz Circles 2
Question: General Form of the Equation of a Circle
Answer: x²+y²+Ax+By+C=0
Question: The center of a circle is located at (1, 5) . The radius of the circle is 20.
What is the equation of the circle in general form?
Answer: x²+y²−2x−10y−374=0
Question: The center of a circle is located at (3,−4) . The radius of the circle is 6.
What is the equation of the circle in general form?
Answer: x²+y²−6x+8y−11=0
Question: Complete the square to find the center and radius of the circle represented by the equation.
x²+y²+8x+2y−8=0
What are the center and the radius of the circle?
Answer: Center: (-4, -1)
Radius: 5
Question: The standard form of the equation of a circle is (x−2)²+(y+5)²=16 .
What is the general form of the equation?
Answer: x²+y²−4x+10y+13=0