Roots and Radicals
Section 9.1 Finding Roots
square roots
models
calculator
higher roots
Square Roots
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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?
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Estimate
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nth root
If , then
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Section 9.2 Multiplying and Dividing Radicals
Multiplying Roots
Simplifying Roots
Quotient Rule
Multiplying Roots
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Simplify Square Roots
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Multiply and Simplify :
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In General:
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Ex: Solve for x :
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