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**Quadratic equations in any form will always give you a perfect parabola**. Drawing a perfect parabola takes two rulers, a piece of paper, and some time. It requires you to draw a straight line and a big dot and then to find all the other points that are equidistant to both the line and the big dot.The general equation of a parabola is: **y = a(x-h) ^{2} + k** or x = a(y-k)

^{2}+h, where (h,k) denotes the vertex. The standard equation of a regular parabola is y

^{2}= 4ax.A positive quadratic coefficient causes the ends of the parabola to point upward. A negative quadratic coefficient causes the ends of the parabola to point downward.

**The greater the quadratic coefficient, the narrower the parabola**. The lesser the quadratic coefficient, the wider the parabola.

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## What is the formula for a parabolic curve?

The general equation of a parabola is: **y = a(x-h) ^{2} + k** or x = a(y-k)

^{2}+h, where (h,k) denotes the vertex. The standard equation of a regular parabola is y

^{2}= 4ax.

## What makes a parabola skinny or wide?

A positive quadratic coefficient causes the ends of the parabola to point upward. A negative quadratic coefficient causes the ends of the parabola to point downward. **The greater the quadratic coefficient, the narrower the parabola**. The lesser the quadratic coefficient, the wider the parabola.

### Finding The Focus and Directrix of a Parabola – Conic Sections

### Images related to the topicFinding The Focus and Directrix of a Parabola – Conic Sections

## What affects the shape of a parabola?

To recap, **changing a makes the parabola appear “wider” or thinner”**. In other words, when |a| > 1 (absolute value of a), the graph compresses. When 0 < |a| < 1, the graph stretches. Changing b affects the location of the vertex with respect to the y-axis.

## How do you draw a parabolic trend line?

First, click the annotation link on a SharpChart to open ChartNotes. Second, click the tiny triangle in the trend line icon to see the other icons (option). Third, click the “parabola tool” to select it. Fourth, move to your desired chart location and draw a curve.

## How do you move a parabola to the right?

Explanation: The parent function for a parabolic function is where is the center of the parabola. To shift the parabola left of right, the value of h changes. Since there is a negative sign in the parent function, a positive value moves the parabola to the left and **a negative value moves it to the right**.

## How do you make a parabola open wider?

If a>0 in f(x)=ax2+bx+c, the parabola opens upward. In this case the vertex is the minimum, or lowest point, of the parabola. A large positive value of a makes a narrow parabola; **a positive value of a which is close to 0 makes the parabola wide**. If a<0 in f(x)=ax2+bx+c, the parabola opens downward.

### Parabolic Curves

### Images related to the topicParabolic Curves

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… in any form will always give you a perfect parabola. Drawing a perfect parabola takes two rulers a piece …

## How do you know which way a parabola opens?

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 a parabolic shape?

In mathematics, a parabola is **a plane curve which is mirror-symmetrical and is approximately U-shaped**. It fits several superficially different mathematical descriptions, which can all be proved to define exactly the same curves.

## What is a real life parabola?

Everyday Parabolas

**The water shot into the air by the fountain falls back in a parabolic path**. A ball thrown into the air also follows a parabolic path. Galileo had demonstrated this. Also, anyone who rides a roller coaster will be familiar with the rise and fall created by the track’s parabolas.

## How do you make a curve?

**Draw a curve**

- On the Insert tab, click Shapes.
- Under Lines, click Curve.
- Click where you want the curve to start, drag to draw, and then click wherever you want to add a curve.
- To end a shape, do one of the following: To leave the shape open, double-click at any time. To close the shape, click near its starting point.

### Spherical parabolic mirrors

### Images related to the topicSpherical parabolic mirrors

## What does a parabolic chart look like?

The Parabolic curve pattern is **a curved trend line looking like an arc, or an elliptical shape**. It appears when price accelerate its rise. The more it rises, the quicker it rises.

## What is a parabola graph?

A parabola graph **depicts a U-shaped curve drawn for a quadratic function**. In Mathematics, a parabola is one of the conic sections, which is formed by the intersection of a right circular cone by a plane surface. It is a symmetrical plane U-shaped curve.

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