How To Do Cubed Root On Desmos?

How to Find the Cubed Root on Desmos

Desmos is a powerful graphing calculator that can be used to solve a variety of mathematical problems. One of the things you can do with Desmos is find the cubed root of a number. This can be useful for finding the volume of a cube or the side length of a cube.

In this tutorial, we will show you how to find the cubed root of a number on Desmos. We will also provide some tips on how to use Desmos to solve other mathematical problems.

Step 1: Enter the Number You Want to Find the Cubed Root of

The first step is to enter the number you want to find the cubed root of into Desmos. You can do this by typing the number into the search bar at the top of the screen.

Step 2: Type the Cube Root Function

Once you have entered the number you want to find the cubed root of, you need to type the cube root function into Desmos. The cube root function is written as \3**.

So, to find the cubed root of 8, you would type \38 into Desmos.

Step 3: Press Enter

Once you have typed the cube root function into Desmos, press Enter. Desmos will then calculate the cubed root of the number and display the answer on the screen.

In the case of 8, the cubed root is 2. So, Desmos will display the answer 2 on the screen.

Tips for Using Desmos to Solve Mathematical Problems

Here are a few tips for using Desmos to solve mathematical problems:

  • Use the graphing feature to visualize the problem. This can help you to understand the problem better and to see how to solve it.
  • Use the equation editor to enter equations. This can be helpful for entering complex equations or equations that you don’t know the answer to.
  • Use the sliders to change the values of variables. This can be helpful for exploring the effects of different values on the solution to a problem.

Desmos is a powerful tool that can be used to solve a variety of mathematical problems. By following these tips, you can use Desmos to learn and understand mathematics more effectively.

Step Explanation Example
1. Enter the number you want to find the cube root of into the Desmos graphing calculator. For example, if you want to find the cube root of 8, you would enter “8” into the calculator.
2. Press the “Cube Root” button. The cube root button is located in the “Function” menu.
3. The cube root of the number you entered will be displayed on the graph. In this case, the cube root of 8 is 2.

What is the cubed root of a number?

The cubed root of a number is the number that, when multiplied by itself three times, gives the original number. For example, the cubed root of 8 is 2, because 2 * 2 * 2 = 8.

The cubed root of a number can be found using a variety of methods, including:

  • Long division
  • The quadratic formula
  • A calculator
  • A graphing calculator

In this tutorial, we will show you how to find the cubed root of a number using Desmos, a free online graphing calculator.

How to find the cubed root of a number on Desmos?

To find the cubed root of a number on Desmos, follow these steps:

1. Open the Desmos website and enter the number you want to find the cubed root of into the search bar.
2. Click the “Graph” button.
3. A graph of the function f(x) = x^3 will appear.
4. To find the cubed root of the number, find the point on the graph where the curve intersects the x-axis.
5. The x-coordinate of this point is the cubed root of the number.

For example, to find the cubed root of 8, we would enter “8” into the search bar and click the “Graph” button. The graph of the function f(x) = x^3 would appear. We would then find the point on the graph where the curve intersects the x-axis. The x-coordinate of this point is 2, which is the cubed root of 8.

You can also use Desmos to find the cubed root of a negative number. To do this, simply enter the negative number into the search bar and click the “Graph” button. The graph of the function f(x) = x^3 will appear. The cubed root of the negative number will be the x-coordinate of the point where the curve intersects the negative x-axis.

In this tutorial, we showed you how to find the cubed root of a number using Desmos. We hope you found this tutorial helpful. For more information on how to use Desmos, please visit the Desmos website.

3. Examples of finding the cubed root of a number on Desmos

Here are some examples of how to find the cubed root of a number on Desmos:

Example 1: Finding the cubed root of 8

To find the cubed root of 8, we can use the following steps:

1. Open Desmos and enter the equation `y = 8^(1/3)`.
2. Click on the “Graph” button.
3. The graph will show the curve of the function `y = 8^(1/3)`.
4. The cubed root of 8 is the x-coordinate of the point where the curve crosses the x-axis.

In this case, the cubed root of 8 is approximately 2.

Example 2: Finding the cubed root of -8

To find the cubed root of -8, we can use the following steps:

1. Open Desmos and enter the equation `y = -8^(1/3)`.
2. Click on the “Graph” button.
3. The graph will show the curve of the function `y = -8^(1/3)`.
4. The cubed root of -8 is the x-coordinate of the point where the curve crosses the x-axis.

In this case, the cubed root of -8 is approximately -2.

Example 3: Finding the cubed root of a negative number with an imaginary part

To find the cubed root of a negative number with an imaginary part, we can use the following steps:

1. Open Desmos and enter the equation `y = (-a)^1/3 + bi`, where a and b are real numbers.
2. Click on the “Graph” button.
3. The graph will show the curve of the function `y = (-a)^1/3 + bi`.
4. The cubed root of a negative number with an imaginary part is the x-coordinate of the point where the curve crosses the x-axis.

In this case, the cubed root of -8 is approximately -2 + 2i.

Example 4: Finding the cubed root of a complex number

To find the cubed root of a complex number, we can use the following steps:

1. Open Desmos and enter the equation `y = z^(1/3)`, where z is the complex number.
2. Click on the “Graph” button.
3. The graph will show the curve of the function `y = z^(1/3)`.
4. The cubed root of a complex number is the x-coordinate of the point where the curve crosses the x-axis.

In this case, the cubed root of 8 + 6i is approximately 2 + 2i.

4. Tips for finding the cubed root of a number on Desmos

Here are some tips for finding the cubed root of a number on Desmos:

  • Use the exponent button. The exponent button is located in the toolbar at the top of the Desmos graphing calculator. To use the exponent button, type the number you want to find the cubed root of, then click on the exponent button and select “3”. The Desmos graphing calculator will then display the cubed root of the number.
  • Use the graphing function. The graphing function is located in the toolbar at the top of the Desmos graphing calculator. To use the graphing function, type the equation `y = x^(1/3)`, where x is the number you want to find the cubed root of. The Desmos graphing calculator will then display the graph of the function `y = x^(1/3)`. The cubed root of the number is the x-coordinate of the point where the graph crosses the x-axis.
  • Use the slider. The slider is located in the toolbar at the bottom of the Desmos graphing calculator. To use the slider, drag the slider to the value of the number you want to find the cubed root of. The Desmos graphing calculator will then display the cubed root of the number.

I hope these tips help you find the cubed root of a number on Desmos!

How do I find the cubed root of a number on Desmos?

To find the cubed root of a number on Desmos, follow these steps:

1. Enter the number you want to find the cubed root of into the y-axis input box.
2. Click the cube root button on the toolbar.
3. The cubed root of the number will be displayed in the y-axis output box.

For example, to find the cubed root of 8, you would enter `8` into the y-axis input box and then click the cube root button. The cubed root of 8, which is 2, will be displayed in the y-axis output box.

What if I want to find the cubed root of a negative number?

To find the cubed root of a negative number on Desmos, follow these steps:

1. Enter the negative number you want to find the cubed root of into the y-axis input box.
2. Click the cube root button on the toolbar.
3. The cubed root of the negative number will be displayed in the y-axis output box.

For example, to find the cubed root of -8, you would enter `-8` into the y-axis input box and then click the cube root button. The cubed root of -8, which is -2, will be displayed in the y-axis output box.

How do I find the cubed root of a number that is not a whole number?

To find the cubed root of a number that is not a whole number on Desmos, follow these steps:

1. Enter the number you want to find the cubed root of into the y-axis input box.
2. Click the cube root button on the toolbar.
3. The cubed root of the number will be displayed in the y-axis output box, rounded to the nearest decimal place.

For example, to find the cubed root of 2.7, you would enter `2.7` into the y-axis input box and then click the cube root button. The cubed root of 2.7, which is 1.39, will be displayed in the y-axis output box.

Can I find the cubed root of a complex number on Desmos?

No, you cannot find the cubed root of a complex number on Desmos. The cube root function only works for real numbers.

In this blog post, we have discussed how to find the cube root of a number on Desmos. We first discussed the definition of the cube root and how to find it using the radical symbol. We then showed how to find the cube root of a number using Desmos’s graphing calculator. Finally, we provided some tips for using Desmos to find cube roots.

We hope that this blog post has been helpful. If you have any questions, please feel free to leave them in the comments below.

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