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 Depdendent Variable

 Number of equations to solve: 23456789
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 Dependent Variable

 Number of inequalities to solve: 23456789
 Ineq. #1:
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Section 9.1 Finding Roots

square roots
models
calculator
higher roots

Square Roots

 Example: Example: Example Example: Example: Example: Example: Example:

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?

On Calculator

Estimate

 Example: Example:

Ex:

nth root

If , then

 Example: Example: Example: Example: Example: Example: Example: 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:

 Example: Example: Example: Example:

Example:

Multiply and Simplify :

 Example: Example: Example: Example:

Quotient Rule :

Simplify .

 Example: Example: Example: Example:

Example:

In General:

 Example: Example: Example: Ex:

Ex: Solve for x :

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