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Adding and Subtracting Radicals

Adding and Subtracting Radicals. NF.4.AC.2: Simplify, add, subtract and multiply radical expressions Students will learn to simplify radicals and to multiply and/or divide radical expressions. Adding and Subtracting Radicals.

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Adding and Subtracting Radicals

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  1. Adding and Subtracting Radicals NF.4.AC.2: Simplify, add, subtract and multiply radical expressions Students will learn to simplify radicals and to multiply and/or divide radical expressions Algebraic Connections

  2. Adding and Subtracting Radicals • To add or subtract radicals, treat them as if they were variables. • You can add or subtract two variables if they are like terms. • Radicals with the same radicand work the same way as variables with like terms. • Here are some examples: Algebraic Connections

  3. Adding and Subtracting Radicals • If the radicands are different, you cannot add or subtract them – they are not like terms • You cannot add these: • However, sometimes the radical expressions can be simplified and then become like terms, as in the following examples: Algebraic Connections

  4. Let’s Practice 1. 2. 3. 4. Algebraic Connections

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