Caleb solved the equation √x+2 = x and wrote the final solutions to be x = 2, -1 . Why is Caleb's answer wrong? O The correct solutions is -1; 2 is an extraneous solution. O The correct solution is -2; Caleb didn't reduce the x terms. O The correct solution is 2; -1 is an extraneous solution. O The correct solutions are -2 and 1; Caleb switched the signes

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Caleb solved the equation
√x+2 = x
and wrote the final solutions to be
x = 2, -1
Why is Caleb's answer wrong?
The correct solutions is -1; 2 is an extraneous
solution.
The correct solution is -2; Caleb didn't reduce
the x terms.
The correct solution is 2; -1 is an extraneous
solution.
The correct solutions are -2 and 1; Caleb
switched the signes
Transcribed Image Text:Caleb solved the equation √x+2 = x and wrote the final solutions to be x = 2, -1 Why is Caleb's answer wrong? The correct solutions is -1; 2 is an extraneous solution. The correct solution is -2; Caleb didn't reduce the x terms. The correct solution is 2; -1 is an extraneous solution. The correct solutions are -2 and 1; Caleb switched the signes
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