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Nastasia [14]
2 years ago
7

Which is the equation of a hyperbola with directrices at x = ±3 and foci at (4, 0) and (−4, 0)?

Mathematics
1 answer:
photoshop1234 [79]2 years ago
4 0

Answer:A. x squared over 16 minus y squared over 4 ...

Step-by-step explanation:

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Answer if you have a big brain 96 POINTS
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Answer:

1) 2x+7

2) -3x+11

3) 0.75x-2

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Step-by-step explanation:

1) y = mx + c

m = 2 when x=1 , y=9

9 = 2(1)+c

c = 7

y = 2x + 7

2) m = -3

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-1 = -3(4) + c

c = -1+12 = 11

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3) m = 0.75

When x= -4, y= -5

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4) m = (y2-y1)/(x2-x1)

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y = -2x + c

When x= -1, y= 2

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5) m = (-10-(-4))/(8-4)

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y = -1.5x + c

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6) m = (-4-4)/(5-3) = -8/2 = -4

When x= 3, y= 4

4 = -4(3) + c

4 = -12 + c

c = 16

y = -4x + 16

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3 years ago
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miv72 [106K]
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