Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 8: Q. 8.3TI (page 745)

Simplify:(a)-169 (b)-81

Short Answer

Expert verified

The solutions of (a) is there is no real number and (b) is-9

Step by step solution

01

Part (a). Step 1. Given information

The root:-169

02

Part (a) Step 2. Calculation

We have,

-169=-169isnotarealnumber

There is no real number whose square is -169

03

Part (b) Step 1. Given information

The root:-81

04

Part (b) Step 2. Calculation

We have,

-81=-9

Since, 92=81and the negative is in front of the radical sign.

Therefore, the solution is-9

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.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

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

In the following exercises, simplify using absolute value signs as needed.125r13,108x53,48y64

Explain why -644is not a real number but -643 is.

Simplify:

a.32x1335b.x34y1223

Use the Quotient Property to simplify square roots.

(a)75r6s848rs4

(b)24x8y481x2y3

(c)32m9n2162mn24

Use the Quotient Property to simplify square roots.

125n7169
See all solutions

Recommended explanations on Math Textbooks

Discrete Mathematics

Read Explanation

Mechanics Maths

Read Explanation

Decision Maths

Read Explanation

Pure Maths

Read Explanation

Calculus

Read Explanation

Statistics

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.

Sign-up for free