trmaddox2525 trmaddox2525

13-02-2020
Mathematics

contestada

Determine the center and radius of the following circle equation:
x2 + y2 – 20x – 14y + 145 = 0

Respuesta :

surjithayer10 surjithayer10

17-02-2020

Answer:

Step-by-step explanation:

compare with x²+y²+2gx+2fy+c=0

center=(-g,-f)=(20/2,14/2)=(10,7)

radius=√(g²+f²-c)=√(10²+7²-145)=√(100+49-145)

=√4

=2

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