Respuesta:
centro (8,-4) y r=5
Explicación paso a paso:
A=1. D=-16. E=8. F=55
Centro (-D/2A,-E/2A)=(8,-4)
r=1/2A √(D^2+E^2-4AF)
[tex]r = \frac{1}{2} \sqrt{ {( - 16)}^{2} + {8}^{2} - 4(1)(55) } [/tex]
[tex]r = \frac{1}{2} \sqrt{256 + 64 - 220} = \frac{1}{2} \sqrt{100} = \frac{1}{2} 10 = 5[/tex]
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Respuesta:
centro (8,-4) y r=5
Explicación paso a paso:
A=1. D=-16. E=8. F=55
Centro (-D/2A,-E/2A)=(8,-4)
r=1/2A √(D^2+E^2-4AF)
[tex]r = \frac{1}{2} \sqrt{ {( - 16)}^{2} + {8}^{2} - 4(1)(55) } [/tex]
[tex]r = \frac{1}{2} \sqrt{256 + 64 - 220} = \frac{1}{2} \sqrt{100} = \frac{1}{2} 10 = 5[/tex]