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Viktor [21]
3 years ago
5

Comeplete the equivalent equation of -7x-60=x(2)+10x

Mathematics
1 answer:
MariettaO [177]3 years ago
8 0

Answer:

3 \frac{3}{ 19}

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A parabola is given by the equation y = x2 + 4x + 4.
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Answer:

the vertex of the parabola is:(-2,0)

the focus of the parabola is:(-2,\frac{1}{4})

the directrix of the parabola is:y=\frac{-1}{4}

Step-by-step explanation:

we know that for any general equation of the parabola of the type y=ax^{2} +b x+c the vertex of the parabola is given by (h,k)

where h=\frac{-b}{2 a} and k=\frac{4 a c-b^{2} }{4a}

therefore by the given data we have h=-2 and k=0

hence vertex=(-2,0)

the general equation of the parabola of the type 4 a (y-h)=(x-k)^2 ; the parabola symmetric around the y-axis has the focus from the centre i.e. the vertex (h,k) at a distance a as (h,k+a) and the directrix is given by y=k-a

so focus is (-2,\frac{1}{4} )

now the directrix of the parabola is y=\frac{-1}{4}.




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First, locate the center of dilation and then determine the distance of the points.

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Step-by-step explanation:

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