/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q48. Evaluate the expression when x=-... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 1: Q48. (page 24)

Evaluate the expression when x=-8.

localid="1649144645648" -x-3

Short Answer

Expert verified

The value of the expressionis 5.

Step by step solution

01

Step-1 – Absolute value of a number

Absolute value of any positive or negative number is always positive and equal to the magnitude of the number. The absolute value of a number N is denoted by N.

The absolute value of a number represents the distance of the number from 0 in the number line.

02

Step-2 – Example of Absolute value

The absolute value of 3 is denoted by 3and is equal to 3.

And the absolute value of -4is denoted by -4and is equal to 4.

03

Step-3 – Evaluate the expression

To evaluate the value of the expression -x-3, substitute -8 for x and simplify further as shown below,

鈭�x鈭�3=鈭�鈭�8鈭�3=8鈭�3=5

Thus, the value of the given expression is 5.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

How are the expressions 34 and 43different?

34 and 43 are different

Write the power in words and as a repeated multiplication. Then evaluate the power:

122

Evaluate the expression.

28鈭�63梅7

Evaluate the experssion when a=4,鈥�b=2,andc=16

localid="1647950477446" 鈥�c-b

Evaluate the expression.

10(1.5+0.6)
See all solutions

Recommended explanations on Math Textbooks

Mechanics Maths

Read Explanation

Decision Maths

Read Explanation

Logic and Functions

Read Explanation

Geometry

Read Explanation

Probability and Statistics

Read Explanation

Calculus

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.