Rational Exponents and Radical Expressions

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Back

Front

If an exponent is not written, the power is automatically ______

Back

1

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5

Front

The number under the radical sign or square root sign is called the ______.

Back

radicand

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Back

@@rac{1}{ ext{ }^3 ext{ } oot{5xy}}@@

Front

What is the relationship between rational exponents and radicals?

Back

@@x^{rac{m}{n}} = rac{1}{ ext{ }^n ext{ } oot{x^m}}@@

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Back

@@rac{1}{ ext{ }^3 ext{ } oot{x^2}}@@

Front

What does a negative exponent indicate?

Back

It indicates the reciprocal of the base raised to the positive exponent.

Front

What is the index in a radical expression?

Back

The index is the root being taken, such as square root (2) or cube root (3).

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Back