owoeli
03.11.2021 •
Mathematics
Focus (8, 0) directrix x=-8
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Ответ:
x = y² / 32
Step-by-step explanation:
Any point on the parabola (x , y)
√(x-8)² + (y-0)² = √(x - -8)² ... (x,y) has equal distance to focus and directrix
(x-8)² + y² = (x+8)²
x²-16x+64+y² = x²+16x+64
y² = 32x
equation: x = y² / 32
Ответ:
is your answer because 3 divided by three is one and 12 divided by three is 4