Solving Radical Equations 2 with Help
View the Lesson | MATHguide homepage Updated November 11th, 2017


Status: Waiting for your answers.





Problem: Solve for the variable. Check a value if it is extraneous.
 
k + 74  = k + 18
 
k + 74 = ( k + )2
 
k + 74 = k2 + k +
 
0 = k2 + k +
 
0 = ( k + )( k + )
 
k1 =     k2 =
extraneous   extraneous