Radical Equations and Extraneous Roots

Question 1

What is the solution of ?

Revolt · Accepted Answer

x = 126

Question 2

What is the solution of ?

Revolt · Accepted Answer

x = 2 or x = 3

Question 3

Which equation is equivalent to ?

Revolt · Accepted Answer

StartRoot x EndRoot = 15 minus 11

Question 4

What is the solution of ?

Revolt · Accepted Answer

x = –72

Question 5

Which of the following is an extraneous solution of ?

Revolt · Accepted Answer

x = –6

Question 6

Which equation is related to ?

Revolt · Accepted Answer

x + 10 = x2 + 2x + 1

Question 7

Which of the following is a radical equation?

Revolt · Accepted Answer

7 StartRoot x EndRoot = 14

Question 8

What is the solution of ?

Revolt · Accepted Answer

x = twelve-fifths

Question 9

Determine the solution for the following equation:

Revolt · Accepted Answer

x = 3

Question 10

Which equation is equivalent to ?

Revolt · Accepted Answer

x2 + 81 = x2 + 20x + 100

Radical Equations and Extraneous Roots Answers