Jawab:
Penjelasan dengan langkah-langkah:
x² + y² + 8x - 6y - 7 = 0
x² + 8x + 16 - 16 + y² - 6y + 9 - 9 - 7 = 0
x² + 8x + 16 + y² - 6y + 9 = 16 + 9 + 7
(x + 4)² + (y - 3)² = 32
(x - (-4))² + (y - 3)² = 32
Titik pusat = P (-4, 3)
Jari-jari = r = V32 = 4V2
V = akar kuadrat
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Jawab:
Penjelasan dengan langkah-langkah:
x² + y² + 8x - 6y - 7 = 0
x² + 8x + 16 - 16 + y² - 6y + 9 - 9 - 7 = 0
x² + 8x + 16 + y² - 6y + 9 = 16 + 9 + 7
(x + 4)² + (y - 3)² = 32
(x - (-4))² + (y - 3)² = 32
Titik pusat = P (-4, 3)
Jari-jari = r = V32 = 4V2
V = akar kuadrat