Radicals Computing with Radicals Target Goals : Add, subtract, multiply, and divide radical expressions.

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Simplify Radical Expressions

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Presentation transcript:

Radicals Computing with Radicals Target Goals : Add, subtract, multiply, and divide radical expressions

“Like Radical Expressions”  Have the same radical and index with the same radicand.  “Square root of the same number”  Simplifying radical expressions:  Simplify each radical first  Combine the coefficients of like radicals

Ex 1a) Simplify:

Ex 1b) Simplify:

Ex 2a) Simplify: FOIL

Ex 2b) Simplify: FOIL

Ex 3a) Simplify (multiplying by the conjugate):

Ex 3b) Simplify (multiplying by the conjugate):

Directions  You will be presented with a problem to work on individually.  Try to not use your notes.  If you get the question correct, that will correspond to a homework problem that you will NOT be required to do.  Keep track of the homework problems you are NOT required to do.

1. Simplify: A. B. C. D.

 If you got #1 right, you don’t have to do #30 on your homework

2. Simplify: A. B. C. D.

 If you got #2 right, you don’t have to do #31 on your homework

3. Simplify: A. B. C. D.

 If you got #3 right, you don’t have to do #40 on your homework

4. Simplify: A. B. C. D.

 If you got #4 right, you don’t have to do #43 on your homework

5. Simplify: A. B. C. D.

 If you got #5 right, you don’t have to do #41 on your homework