BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 1.1, Problem 70E

(a)

To determine

To evaluate: the expression |624| .

Expert Solution

Answer to Problem 70E

  |624|=0.25

Explanation of Solution

Given information:

An expression is given as |624| .

Formula used:

Absolute value property:

For any real number a,

  |a|=a0|a|=|a|=a

Calculation:

Consider the given expression.

  |624|

Now, evaluate the expression:

  |624|=|14| [ab=ab]=|14| [|a|=|a|=a]=0.25

Hence, |624|=0.25

(b)

To determine

To evaluate: the expression |712127| .

Expert Solution

Answer to Problem 70E

  |712127|=1

Explanation of Solution

Given information:

An expression is given as |712127| .

Formula used:

Absolute value property:

For any real number a,

  |a|=a0|a|=|a|=a

Calculation:

Consider the given expression.

Now, evaluate the expression:

  |712127|=|55| =|1| [|a|=|a|=a]=1

Hence, |712127|=1 .

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