menu-iconExamlexExamLexServices

Discover

Ask a Question
  1. All Topics
  2. Topic
    Mathematics
  3. Study Set
    Intermediate Algebra Study Set 1
  4. Exam
    Exam 6: Radicals and Complex Numbers
  5. Question
    Simplify the Expression\(\sqrt { - 21 }\) A)\(21 i\) B)\(i \sqrt { 21 }\)
Solved

Simplify the Expression −21\sqrt { - 21 }−21​ A) 21i21 i21i B) i21i \sqrt { 21 }i21​

Question 159

Question 159

Multiple Choice

Simplify the expression. −21\sqrt { - 21 }−21​


A) 21i21 i21i
B) i21i \sqrt { 21 }i21​
C) −21i- 21 i−21i
D) −i21- i \sqrt { 21 }−i21​

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q154: Write the expression using rational exponents.

Q155: Multiply. Write the answer in the

Q156: Evaluate the root without using a

Q157: Simplify the expression, if possible.

Q158: Rationalize the denominator. <span class="ql-formula"

Q160: Add or subtract the radical expressions

Q161: Write the expression as a single

Q162: Find the exact area. <br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7603/.jpg"

Q163: Multiply the radical expressions. <span

Q164: Rationalize the denominator and simplify completely.

Examlex

ExamLex

About UsContact UsPerks CenterHomeschoolingTest Prep

Work With Us

Campus RepresentativeInfluencers

Links

FaqPricingChrome Extension

Download The App

Get App StoreGet Google Play

Policies

Privacy PolicyTerms of ServiceHonor CodeCommunity Guidelines

Scan To Download

qr-code

Copyright © (2025) ExamLex LLC.

Privacy PolicyTerms Of ServiceHonor CodeCommunity Guidelines