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Roots and Radicals
Section 9.1 Finding Roots
square roots
models
calculator
higher roots
Square Roots
Example:  Example: 
Example  Example: 
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Modeling
Example: The formula
models the maximum safe speed, v, in mph, at
which a car can travel on a curved road with radius r, in ft. What if the curve
has a radius
360 ft?
Estimate
Example:  Example: 
Ex:
nth root
If , then
Example:  
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Example:  Example: 
Section 9.2 Multiplying and Dividing Radicals
Multiplying Roots
Simplifying Roots
Quotient Rule
Multiplying Roots
Example: 
Example: 
Example:  Example: 
Simplify Square Roots
Example:
Example:
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Example:
Multiply and Simplify :
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Example:
In General:
Example:  Example: 
Example:  Ex: 
Ex: Solve for x :
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