Introduction to Formulas and Substitution in Mathematics

The video tutorial explains how to calculate the value of variables using formulas. It covers the concept of substitution, where letters in formulas are replaced with given values, and demonstrates this with examples. The tutorial also discusses changing the subject of a formula by rearranging it, using inverse operations, and introduces factorizing when variables appear multiple times in a formula.

What is the formula for calculating the cost of a taxi ride?

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How do you substitute values into a formula? Provide an example.

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What is the perimeter formula for a square and how do you calculate it for a square with a side length of 5 cm?

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Explain how to change the subject of a formula with an example.

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Describe the process of factorizing in the context of formulas.

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