Radical Expressions and Rational Exponents Flashcards

1
Q

What does the exponent 1/n indicate?

A

This exponent indicates the nth root.

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2
Q

What is a Rational Exponent?

A

A rational exponent that can be expressed as m/n, where m and n are integers, and n cannot equal 0. The exponent m/nindicates the nth root raised to the mth power.

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3
Q

How do you simplify Rational Exponents?

A

You convert them to radical form and then simplify or solve.

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4
Q

How do you convert Radicals to Rational Form?

A

You write the radicand with a rational exponent with the numerator as the power of the radicand. The denominator is the index of the radical.

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5
Q

How does the nth root work?

A

The nth root of a real number a can be written as the radical expression ^n(sqrt a), where n is the index of the radical and a is the radicand.

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6
Q

How do you solve nth root problems?

A

You change “nth root of y” to “x^nth=y.”

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7
Q

How do you Rationalize the Denominator?

A

You rewrite the expression so that the denominator contains no radicals.

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8
Q

What is the formula for Product of Powers?

A

a^m*a^n=a^m+n.

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9
Q

What is the formula for Quotient of Powers?

A

a^m/a^n=a^m-n.

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10
Q

What is the formula for Power of a Power?

A

(a^m)^n=a^mn.

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11
Q

What is the formula for Power of a Product?

A

(ab)^m=(a^m)(b^m).

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12
Q

What is the formula for Power of a Quotient?

A

(a/b)^m=(a^m)/(b^m).

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