gennhill14
23.09.2020 •
Mathematics
Study this equation of a circle.
x2 – 6x + y2 + 2y + 6 = 0
Which of these represents the center and radius of the circle?
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Ответ:
Step-by-step explanation: The standard equation for a circle is: (x−h)2+(y−k)2=r2. Where (h,k) is the center and r is the radius. We want to get x2+6x+y2−2y+6=0
Ответ:
your answer is 90⁰