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it's called the focus

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14y ago

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Related Questions

What is the name of the point you use to define a parabola?

All of the points on a parabola define a parabola. However, the vertex is the point in which the y value is only used for one point on the parabola.


What is the name of the point that use to define a parabola?

i think its the vertex.


What is the name of the line that you use to define a parabola?

directrix


What is the name of a line that you use to define a parabola?

It is called the directrix.


Is there another not as common name for a parabola?

The parabola is a type of conic section, . The problem is that this is not a descriptive as the if the word "parabola" is used. The reason is that it is not the only geometric shape that can be derived by slicing a cone with a plane. Use the link below to see a drawing and learn more.


Projectile motion with the use of parabola?

Yes.


An equilateral triangle is inscribed in a parabola with its vertex at the vertex of the parabola how do you find the length of the equilateral triangle?

First you need more details about the parabola. Then - if the parabola opens upward - you can assume that the lowest point of the triangle is at the vertex; write an equation for each of the lines in the equilateral triangle. These lines will slope upwards (or downwards) at an angle of 60°; you must convert that to a slope (using the tangent function). Once you have the equation of the lines and the parabola, solve them simultaneously to check at what points they cross. Finally you can use the Pythagorean Theorem to calculate the length.


The vertex of the parabola below is at the point (-4-2) which equation below could be one for parabola?

-2


How do you do a parabola?

A parabola is a graph of a 2nd degree polynomial function. Two graph a parabola, you must factor the polynomial equation and solve for the roots and the vertex. If factoring doesn't work, use the quadratic equation.


What careers use parabolas?

One career that might use a parabola is a mathematics teacher. Geometry teachers might also use parabolas. A parabola is a line consisting of points that are connected and spaced unilaterally.


How did Rene Descartes use the parabola?

Descartes used the parabola to illustrate algebraic equations. He put these equations on a visible plane using the Cartesian coordinate system and they sometimes took the shape of a "u" curve, or a parabola.


Use the word parabola in a sentence?

A parabola is the curved path of a projectile is the result of constant motion horizontallt and accelerated motion vertically under the influrnce of gravity.