Mathematics: 2+4=2×+4 2+4=2×2+4 2+4=

2+4=2×+4 2+4=2×2+4 2+4= - id242424224247398230, andrew763

Ответ:

Snowball080717

01.02.2022

Mathematics

11 is my answer

Step-by-step explanation:

add all subtract by 4 and divide by 2

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Ответ:

BookiesBaby8533

28.02.2021

Mathematics

Check the picture below.

now, keep in mind that the focus point is at 3,0 and the directrix is to the left-hand-side of it, therefore, is a horizontal parabola, and it opens to the right-hand-side, like in the picture.

keep in mind that the vertex is half-way between the focus point and directrix, at a distance "p" from either one, notice the "p" distance is just 3 units, since the parabola is opening to the right, "p" is positive.

$\bf \textit{parabola vertex form with focus point distance}\\\\
\begin{array}{llll}
\boxed{(y-{{ k}})^2=4{{ p}}(x-{{ h}})}
\\\\
(x-{{ h}})^2=4{{ p}}(y-{{ k}})
\end{array}
\qquad 
\begin{array}{llll}
vertex\ ({{ h}},{{ k}})\\\\
{{ p}}=\textit{distance from vertex to }\\
\qquad \textit{ focus or directrix}
\end{array}\\\\
-------------------------------\\\\
\begin{cases}
h=0\\
k=0\\
p=3
\end{cases}\implies (y-0)^2=4(3)(x-0)\implies y^2=12x\implies \cfrac{1}{12}y^2=x$

Find the standard form of the equation of the parabola with a focus at (3, 0) and a directrix at x =

Find the standard form of the equation of the parabola with a focus at (3, 0) and a directrix at x =

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2+4=2×+4 2+4=2×2+4 2+4=

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