Radical Equations and Extraneous Roots Answers

15 verified answers3 views

Free Preview

Determine the solution for the following equation:

x = 3

x = 5

x = 13

x = 65

Free Preview

Which equation is equivalent to ?

x + 9 = x + 10

x + 9 = x2 + 20x + 100

x2 + 81 = x2 + 100

x2 + 81 = x2 + 20x + 100

Which of the following is an extraneous solution of ?

x = –6

x = –1

x = 1

x = 6

Which of the following is a radical equation?

x + StartRoot 5 EndRoot = 12

x squared = 16

3 + x StartRoot 7 EndRoot = 13

7 StartRoot x EndRoot = 14

Which equation is equivalent to ?

x + 11 = 225

x + 121 = 225

StartRoot x EndRoot = 15 + 11

StartRoot x EndRoot = 15 minus 11

What is the solution of ?

x = twelve-fifths

x = negative twelve-fifths

x = –6 or x = –3

no solution

Did you find these answers helpful?

More from this Course