Question

Stephanie is student teaching at her local high school. She has to help her instructor write a test. She has to write a radical equation where the solution is extraneous. She also has to write a radical equation where the solution is non-extraneous. Help Stephanie write one radical equation where the solution is extraneous and another equation where the solution is non-extraneous. Using complete sentences, explain each step when solving to justify your examples

Answer 1

Will gove medals!

Answer 2

Anyone?

Answer 3

Ok let's do this step by step :-)

Answer 4

you have sqrt (2y '+ 7) + 4 = y,
you take 4 to the other side and square,
2y + 7 = (y - 4)^2

Answer 5

Do you get that?