4. Find the center and radius of each circle, and sketch its graph. (a) x² + y? = 25 (b) (x – 2)² + (y + 1)² = 9 (c) x² + 6r + y² – 2y + 6 = 0

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A: x2+y2-10x+4y+20=0 On simplification, we get…

Q: | 1. The circle defined by the equation 3x²+ 3y² + 6x – 9y = 2. Graph: Center of the circle:

A:

Q: 7. Find the center and radius of the circle described by the equation 2x² +2y² +2x-6y+-=0.

A: 2x2+2y2+2x-6y+92=0Find the center and radius of the circle

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Q: 4- Find the center and radius of the circle: x² + y? + 4x – 6y – 3 = 0

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Q: III. Find equation of the circle ( in general form ) that satisfies the given condition. 9. With…

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Q: Find the radius of the circle x2 + y2 – 6y = 0.

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Q: Find the equation of the circle that passes through the origin and has its center at (0, 4).

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Q: 7-10, find the center and radius of the circle. Then graph the circle. +y + 2r + 2y = 2

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

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Q: 18. Sketch the graph of a circle whose equation is x +y² + 10x - 6y = 2.

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Q: 3. Find the center and radius of the circle with equation x ^2+ y^2- 6x+ 10y+ 9= 0

A: To Determine: Find the center and radius of the circle with equation :

Q: 1. The equation of the circle is x² – 2x + y² +6y =-6, its center is and th radius is

A: 1. The equation of the circle is,  x² - 2x + y² + 6y = -6 So, (x² - 2x + 1) + (y² + 6y + 9) = 1+9-6…

Q: Find the center and radius of the circle. x2 + y2 - 4x- 16y -6=0

A: On simplification, we get

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A: Follow the procedure given below.

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Q: 14. Find the radius and center of a circle with the equation x2 + y2 + 4x – 8y = 16.

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…

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Q: 2. Find the equation (in general form) of the tangent lines to the circle x² + y² - 8x + 10y = 128…

A: