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03-04-2020
Mathematics

contestada

Which are the center and radius of the circle with equation (x + 5)2 + (y - 4)2 = 9?

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lovewithcompass lovewithcompass

09-04-2020

Answer:

Center (-5,4) radius 3

Step-by-step explanation:

The standard equation of a circle is

(x-h)^2+(y-k)^2=r^2

where the center is (h,k) and r is the radius

so h=-5 in this case and k is 4

r^2=9 so r=3

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