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The equation of a circle is (x-3)^2+(y+8)^2=36. Relative to the standard equation of a circle (x^2+y^2=r^2), how has this circle been shifted? What is the radius of the circle?
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The equation of a circle is (x-3)^2+(y+8)^2=36. Relative to the standard equation of a circle (x^2+y^2=r^2), how has this circle been shifted? What is the radius of the circle?

User Massimo Polimeni
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2 Answers

6 votes
The circle has been shifted 3 units to the right and 8 units down.
The radius of the circle would be square root of 36, which is 6

Radius= 6 units
Translation= 3 units horizontally right , 8 units vertically down
User Where
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7.8k points
4 votes
the circle shifts to the right 3 units and down 8 units. It's radius is 6
User Oliver Nadj
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8.5k points
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