Maths Square and Square Roots part 16 (Square Roots) CBSE Class 8 Mathematics VIII | Summary and Q&A

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January 26, 2017
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Maths Square and Square Roots part 16 (Square Roots) CBSE Class 8 Mathematics VIII

TL;DR

Learn about squares and square roots, inverse functions, and the relationship between them.

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Questions & Answers

Q: How do you find the length of each side of a square based on its area?

To find the length of each side of a square, you need to take the square root of its area. By using the formula area = side^2, you can solve for the side length.

Q: What is an inverse function?

An inverse function is a function that "undoes" another function. In the context of squares and square roots, square roots are the inverse functions of squares. The square root of a number gives you the original number when squared.

Q: Are addition and subtraction inverse functions?

Yes, addition and subtraction are inverse functions of each other. When you want to find the total of two numbers, you add them together. But if you want to "undo" the addition and find one of the original numbers, you subtract.

Q: How do multiplication and division relate to squares and square roots?

Multiplication and division are also inverse functions of each other. When you want to find the product of two numbers, you multiply them. But if you want to find one of the original numbers, you divide the product by the other number.

Summary & Key Takeaways

  • This video explains the concept of squares and square roots, and how they are related through inverse functions.

  • It uses examples to illustrate how to find the length of each side of a square based on its area.

  • It also explores the inverse relationship between addition and subtraction, as well as multiplication and division, and how it applies to squares and square roots.

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