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Oliga [24]
3 years ago
12

What is the equation of the quadratic graph with a focus of (−4, seventeen eighths ) and a directrix of y = fifteen eighths

Mathematics
1 answer:
Lunna [17]3 years ago
5 0
Standard form for a parabola:
( x - h )² = 4 p ( y - k )
Vertex: ( h, k ) = ( -4, 2 )
Displacement from vertex to focus:
p = 2/8 = 1/4
( x + 4 )² = 4 · 1/4 ( y - 2 )
y = ( x + 4 )² + 2
or general form: 
x² + 8 x - y + 18 = 0 
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First do with the factor out variable m.

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4 0
3 years ago
The quotient of q and 14 is less than 28
deff fn [24]

Answer:

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Step-by-step explanation:

First, we turn words into an inequality. Then, we solve for q.

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It is also a good idea to check our answer, to make sure it is reasonable and we did not make a careless mistake.

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A person goes to work across three intersections. The probability of seeing the red light at the first intersection is 60%, the
vazorg [7]
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8 0
3 years ago
Been stuck on this problem help?
kramer

Answer:

C. x < 40

Step-by-step explanation:

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4 0
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