jernplate8
2021-01-06
Anonym
Skilled2021-01-07Added 108 answers
The following equation for an ellipse with a major axis parallel to the x-axis and a center at (h, k) is presented in standard form.
The major axis is 2 a long, while the minor axis is 2 b long.
Calculation
Consider that the ellipse's center is at (3, 2), that the major horizontal axis is 8 lengths long, and that the minor axis is 6 lengths long.
Since the length of the major axis is 8, then
Since the length of the minor axis is 6, then
Consequently, the ellipse's basic equation (3, 2) and is given below:
(b) Assume that the hyperbola's vertices are (3, 3) and (-3, 3). The hyperbola's foci are (4, 3), and (-4, 3).
The transverse axis is parallel to the x-axis because the y-coordinates of the vertices and foci are the same.
Consequently, the hyperbola's equation will take the form
Halfway between the vertices (-3, 3) and is the center (3, 3).
Applying the midpoint formula now will yield the hyperbola's center, as seen below:
The vertices define the length of the transverse axis 2a.
Therefore, the following formula is used to find the distance between x-coordinates:
The coordinates of the foci are .
So, we have
The aforementioned coordinates for c should be solved as follows:
Now obtain the value of
using the relation as follows:
As a result, the following is the equation for the hyperbola's standard form with its center at (0, 3) and its transverse axis parallel to the x-axis:
(c) Assume that the focus is at and the vertex of the parabola is at (-2, 4) (-4, 4).
The focus and vertex here have the same y-coordinate. So, this is a typical horizontal parabola with a square y portion.
Take the difference between the focus's x coordinate and the vertex's as
As a result, the following equation for the parabola with vertex (-2, 4) and focus (-4, 4) is provided:
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