Parabola meaning in english

/pəˈræb. əl.ə/ a type of curve such as that made by an object that is thrown up in the air and falls to the ground in a different place. Geometry: bends, loops & curves. anfractuous.

What does parabola mean?

parabola. noun. pa·rab·o·la pə-ˈrab-ə-lə : a curve formed by the intersection of a cone with a plane parallel to a straight line in its surface : a curve formed by a point moving so that its distance from a fixed point is equal to its distance from a fixed line. : something that is bowl-shaped.

What is parabola in real life?

The shape of Banana is taking the shape of a parabola. The Rainbow is taking the shape of a parabola. Parabolic dish antennas are taking the shape of a parabola. Surface of a concave mirror.

What does parabola mean in literature?

The explicit drawing of a parallel between two essentially dissimilar things, especially with a moral or didactic purpose. A parable. Parabola can be considered a type of metaphor or simile, or allegory (within its more constrained meaning).

Why is it called a parabola?

The name "parabola" is due to Apollonius, who discovered many properties of conic sections. It means "application", referring to "application of areas" concept, that has a connection with this curve, as Apollonius had proved. The focus–directrix property of the parabola and other conic sections is due to Pappus.

What are the 4 types of parabola?

There are three types of parabolas. The three forms are: vertex form, standard form and intercept form. Each form provides you a different key feature for the graph.

Why Rainbow is a parabola?

Rainbow is usually observed right after a slight rain when there's still large amount of water droplets in air. The rainbow is curved as it reflects due to the round shape of the sun.

Why is life a parabola?

The curve of life is like the parabola of a projectile which, disturbed from its initial state of rest, rises and then returns to a state of repose. "The psychological curve of life, however, refuses to conform to this law of nature. Sometimes the lack of accord begins early in the ascent.

What is a parabola relationship?

A parabola is a conic section. It is a slice of a right cone parallel to one side (a generating line) of the cone. Like the circle, the parabola is a quadratic relation, but unlike the circle, either x will be squared or y will be squared, but not both.

What figure of speech is parabola?

The parable is related to figures of speech such as the metaphor and the simile. A parable is like a metaphor in that it uses concrete, perceptible phenomena to illustrate abstract ideas. It may be said that a parable is a metaphor that has been extended to form a brief, coherent narrative.

How do you use parabola in a sentence?

Parabola in a Sentence

1. The curve of a parabola is created by the path an object takes when it ascends and then comes down in a different place. 2. While the parabola may extend upward or downward, each figure is loosely u-shaped.

What is a basic parabola called?

The graph of the quadratic function y=x2 is called a parabola. The basic shape can be seen by plotting a few points with x=−3, −2, −1, 0, 1, 2 and 3.

How do you find a parabola?

We can use the vertex form to find a parabola's equation. The idea is to use the coordinates of its vertex (maximum point, or minimum point) to write its equation in the form y=a(x−h)2+k (assuming we can read the coordinates (h,k) from the graph) and then to find the value of the coefficient a.

What makes up a parabola?

parabola, open curve, a conic section produced by the intersection of a right circular cone and a plane parallel to an element of the cone.

Is a parabola positive or negative?

Parabolas have a shape that resembles (but is not the same as) the letter U. Parabolas may open upward or downward. If the sign of the leading coefficient, a, is positive (a > 0), the parabola opens upward. If the sign of the leading coefficient, a, is negative (a < 0), the parabola opens downward.

What does a parabola equation tell you?

Standard Form Equation for Parabola

The first number you see, a, tells you whether your parabola opens up or down. If a is negative, it will open downwards and look like a frown. If 'it is positive, it will open up and will look like a smile.

Why is parabola important in real life?

Another example of parabolas being used in real life is their use in headlights. From the 1940s to the 1980s, sealed-beam glass automotive headlights employed parabolic reflectors and glass lenses to focus light beams from bulbs, improving driving vision.

What is a parabola simplified?

A parabola is the set of points in a plane that are the same distance from a given point and a given line in that plane. The given point is called the focus, and the line is called the directrix. The midpoint of the perpendicular segment from the focus to the directrix is called the vertex of the parabola.

How do you know if a line is a parabola?

A line can meet a parabola in at most two points. If the discriminant of the resulting quadratic is negative, the line does not meet the parabola at all. If the discriminant of the resulting quadratic is positive, the line meets the parabola in two distinct points.

Is a parabola open or closed?

A parabola is roughly shaped like the letter 'U' or upside-down 'U'. There is an easy way to tell whether the graph of a quadratic function opens upward or downward: If the leading coefficient is greater than zero, the parabola opens upward, and if the leading coefficient is less than zero, the parabola opens downward.

What is the main point of the parabola?

The point is called the focus of the parabola and the line is called the directrix. The focus lies on the axis of symmetry of the parabola.

Why Rainbow is a parabola?

Rainbow is usually observed right after a slight rain when there's still large amount of water droplets in air. The rainbow is curved as it reflects due to the round shape of the sun.

What are the 3 most important points on a parabola?

Parabolas are the u-shaped graph of a quadratic function. They have three main parts, the direction, the vertex, and the zeros.

Is an egg a parabola?

Egg shell shape has been characterized as a sphere, a prolate spheroid, a parabola at the pointed end and by a 7th order cosine series.