Hiperbola x^2-3y^2-6x-12y-19=0 mempunyai titik puncak....
Matematika
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Pertanyaan
Hiperbola x^2-3y^2-6x-12y-19=0 mempunyai titik puncak....
1 Jawaban
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1. Jawaban Anonyme
jawab
x² - 3y² -6x -12y -19 = 0
(x² -6x) - (3y² +12y) = 19
(x² -6x) - 3(y²+ 4y) = 19
(x²-6x +9) - 3(y² +4y + 4) = 19
(x -3)² - 3(y+2)² = 19 + 9 - 12
(x-3)² - 3(y+2)² = 16
(x-3)²/(16) - (y+2)²/ (16/3) = 1
p = 3, q = -2, a = 4
puncak A (x,y)= (p +_ a, q)
A1 = (3+4, -2) → A1 (7, -2)
A2 = (3-4) , -2) →A2 (-1, -2)