April 9, 2014 Aim: How do we add and subtract RADICALS? Do Now: Simplify the following radical expressions: 1. 2.

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Presentation transcript:

April 9, 2014 Aim: How do we add and subtract RADICALS? Do Now: Simplify the following radical expressions: 1. 2.

Recall: when we combine Like terms… Example: 3x + -5x = Example: 10x – 25x = Example: 10x + 15 =

For like radicals We can combine like radicals!

So now Remember When Adding and Subtracting Radicals, here are your rules In order to add or subtract radicals, you must have “like radicals”. This means that the radicand must be the same. Remember: The radicand is what’s “inside” the radical.

Adding and subtracting radicals Procedure: Simplify radicals, where possible. Combine like radicals.

Together! Add:

: Together! Simplify

Together! Simplify:

You try! 3 2 + 8

Practice Time! 1. 6 50 +6 2 2. 72 −3 28

Practice Time! 3. 2 50 − 2 4. 18 + 72

Practice Time! 5. 28 − 63 6. 108 + 27