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anonymous

  • one year ago

One category that is important to understand is rational numbers. A rational number is a number that can be expressed as an integer divided by another integer. In this unit you will encounter rational expressions, which are a form of polynomial. Knowing what the definition of rational numbers is, what form do you expect rational expressions to take? @zepdrix

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  1. zepdrix
    • one year ago
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    Hey boo :) If we have integers \(\large\rm \color{orangered}{a}\) and \(\large\rm \color{royalblue}{b}\), a `rational number` would look like the quotient of these integers: \(\large\rm \dfrac{\color{orangered}{a}}{\color{royalblue}{b}}\).

  2. zepdrix
    • one year ago
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    If instead we have polynomials, examples: \(\large\rm \color{orangered}{x^2+2x+3}\) and \(\large\rm \color{royalblue}{x^3+7x-2}\) What do you think a `rational expression` might look like? Try to follow the colors I used.

  3. zepdrix
    • one year ago
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    Just to clarify: `rational number` is the ratio of integers. `rational expression` is the ratio of polynomials.

  4. anonymous
    • one year ago
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    thanks!!

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