18
AssignmentMultiple Select
Square Root Functions
Question 18 • AZ-Common Core Algebra II A
Check your answer. Did you identify these three errors correctly?
Answer
A
The student did not switch both instances of x with y. He should have written x = y2 + 12y.B
He wrote only the principal square root instead of using the ± sign.C
The domain is incorrect. For the radicand to be greater than or equal to zero, x must be less than or equal to zero. It should be x 0.