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20-04-2020
Mathematics

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An equation of a circle is given as (x + 6)^2 + (y − 7)^2 = 81. Find the center and radius of the circle.

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17482384837395713871 17482384837395713871

21-04-2020

Answer:

(-6, 7), r=9

Step-by-step explanation:

The opposite of the number next to the x is -6, the opposite of the number next to the y is 7. The square root of the number on the right (81) is 9, so 9 is the radius.

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