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- 1. WHAT IS A RADICAL? A RADICAL EXPRESSION OR RADICAL IS A TERM OR EXPRESSION THAT CONTAINS A SQUARE ROOT Addition Addition and subtraction of radicals involve the same concept in adding and subtracting integers or whole numbers.
- 2. Parts of a radical expression
- 3. Addition • -Simplify the radical expressions by finding the root of the radicand or factoring it out Simplify the terms. -If there is no square root, use prime factorization on the numbers.
- 4. Prime factorization The first few prime numbers are: 2, 3, 5, 7, 11, 13, and 17 ...
- 5. Addition • -Simplify the radical expressions by finding the root of the radicand or by factoring it out. -If there is no square root, use prime factorization on the numbers.
- 6. Addition - Simplify the terms. - -If the exponent is greater than or equal to the index, then it can be taken outside the radicand.
- 7. subtraction - Find the root of the radicand or factor it out. Do the same procedure in adding radicals. The only thing to change is the operation.
- 8. subtraction --If the exponent is greater than or equal to the index, then it can be taken outside the radicand. -simplify the terms.
- 9. REMEMBER! We can only combine like radicals. Don’t forget the index. The most common value of the index (root) is 2. but it can also be 3 or more. (cube, fourth root, etc)
- 10. Let’s try!
- 11. REMEMBER! • We can only combine like radicals. • Don’t forget the index. The most common value of the index (root) is 2. but it can also be 3 or more. (cube, fourth root, etc)

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