IXL - Evaluate integers raised to rational exponents (Algebra 1 practice)

Simplify.

(

–

)

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Learn with an example

Simplify.

is a positive real number and

is an integer with

The same identity is also true if

is negative and

is odd. However, if

is negative and

is even then

and

do not exist.

The symbol

is called a

radical.

the radical is a square root and the 2 is not written:

Write the exponent using a radical and simplify.

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