Notes Over 7.1Finding nth Roots

16 ,2 .1 an16

Find the indicated real nth root(s) of a.

41 ,3 .2 an

3 1 116 ,4 .3 an

4 16

Notes Over 7.1Finding nth Roots

125 ,3 .4 an3 125

Find the indicated real nth root(s) of a.

50 ,3 .5 an

3 0 049 ,2 .6 an

49 7

Notes Over 7.1Evaluating Expressions with Rational Exponents

3/227 .7 3 27 Evaluate the expression without using a calculator.

23 2 93/1433 .8 3 343 7

4/318 .9 4 81 33 3

27

1

Notes Over 7.1Evaluating Expressions with Rational Exponents

5 32 .10Evaluate the expression without using a calculator.

23 8 .11 2

336 .12 36 216

Notes Over 7.1Approximating a Root with a Calculator

4 252 .13

Evaluate the expression using a calculator. Round the result to two decimal places.

98.33 2111 .14 83.12

43 56 .15 25.214

Notes Over 7.1Approximating a Root with a Calculator

63 140 .16

Evaluate the expression using a calculator. Round the result to two decimal places.

600,198 102,25 .17 55.3

33 5 .18 5

Notes Over 7.1Solving Equations Using nth Roots

87 .19 4 x

Solve the equation. Round your answer to two decimal places when appropriate.

x 4 87 05.3

Notes Over 7.1Solving Equations Using nth Roots

922 .20 3 x

Solve the equation. Round your answer to two decimal places when appropriate.

2 23x 46x 3 46 58.3

Notes Over 7.1Solving Equations Using nth Roots

121 .21 5 x

Solve the equation. Round your answer to two decimal places when appropriate.

1x 64.1

x1 1

64.2

Notes Over 7.1