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Wednesday 7th of December
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 Depdendent Variable

 Number of equations to solve: 23456789
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 Solve for:

 Dependent Variable

 Number of inequalities to solve: 23456789
 Ineq. #1:
 Ineq. #2:

 Ineq. #3:

 Ineq. #4:

 Ineq. #5:

 Ineq. #6:

 Ineq. #7:

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 Ineq. #9:

 Solve for:

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Definition of the Principal Square
Root

• If a is nonnegative real number, the
nonnegative number b such that
denoted by ,is the principle square
root
of a

Square Roots of Perfect Square

The Product Rule for Square Roots

• If a and b represent nonnegative real
number, then

and

• The square root of product is the product
of the square roots

Text Example

• Simple :

solution :

The Quotient Rule for Square Roots

• If a and b does represent nonnegative real
numbers and b does no equal 0, then

and

• The square root of quotient  is the
quotient of the square roots

Text Example

• Simple :

solution :

Example

• Perform the indicated operation:

solution :

• Perform the indicated operation:

solution :

Definition of the Principal nth Root
of a Real Number

means that

• If n ,the index , is even , then a is
nonnegative (a≥0)and b is also
nonnegative (b≥0).If n is odd ,a and b
can be any real numbers.

Finding the nth Roots of Perfect
th Powers

If n is odd ,
If n is even

The Product and Quotient Rules
for nth Roots

• For all real numbers ,where the indicated
roots represent real numbers,

and

Definition of Rational Exponents

Furthermore

Example

• Simple :

solution:

Definition of Rational Exponents

•The exponents m/n consists of two parts :the
denominator n is the root and the numerator
m is  the exponent. Furthermore .