In this section, we will… Use rational exponent notation Find nth roots Evaluate and simplify...

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In this section, we will… Use rational exponent notation Find nth roots Evaluate and simplify radical expressions 7.1 – nth Roots and Rational Exponents RADICALS ARE SO RAD DUDE!!!! 1

Transcript of In this section, we will… Use rational exponent notation Find nth roots Evaluate and simplify...

Page 2: In this section, we will… Use rational exponent notation Find nth roots Evaluate and simplify radical expressions 7.1 – nth Roots and Rational Exponents.

If a is a non-negative real number, any number b, such that is the square root of a and is denoted

Examples: Evaluate the following by taking the square root.

2b ab a

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Recall that…

Negative numbers do not have real square roots!121

2b a

2

Page 3: In this section, we will… Use rational exponent notation Find nth roots Evaluate and simplify radical expressions 7.1 – nth Roots and Rational Exponents.

RAD-TASTIC MATHEMATICSVocabulary Important Properties

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n am

n m na a

mm

n na a

1 m

nm

na

a

Page 4: In this section, we will… Use rational exponent notation Find nth roots Evaluate and simplify radical expressions 7.1 – nth Roots and Rational Exponents.

RAD-RRRIFIC EXAMPLES4

• Rewrite the expression using rational exponent notation.

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5.

5

3 8

3 24

89 13

165 2

1

251

38

2

34

8

91316

52

Page 5: In this section, we will… Use rational exponent notation Find nth roots Evaluate and simplify radical expressions 7.1 – nth Roots and Rational Exponents.

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EXAMPLES WITH SWAGG

• Rewrite the expression using radical notation.

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3

7z

2

36

1

25

6

89

1

520

23 6

5

37 z

34 9

5 20

Page 6: In this section, we will… Use rational exponent notation Find nth roots Evaluate and simplify radical expressions 7.1 – nth Roots and Rational Exponents.

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2 KOOL 4 SKOOL

• Evaluate the expression without a calculator.

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3 64

6 64

1

31

24 16

43 27

4

2

1

4

1

81

Page 7: In this section, we will… Use rational exponent notation Find nth roots Evaluate and simplify radical expressions 7.1 – nth Roots and Rational Exponents.

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• Solve the equation.

MR. V’S EXAMPLES ARE DA BOMB

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3 125x

53 3x

2( 4) 0x

5x

1x

4x

Page 9: In this section, we will… Use rational exponent notation Find nth roots Evaluate and simplify radical expressions 7.1 – nth Roots and Rational Exponents.

Real World Uses of Square Roots

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Pythagorean Theorem