<p>It is plagiarism since you’ve copied the approach from what you think is an accepted student’s essay (but probably isn’t). You’re probably more concerned with getting disqualified for plagiarism, and it’s highly unlikely. That formula is so common and easy to come up with on your own- I wouldn’t be worried about plagiarism, but boring cliche.</p>
<p>If you’ve lifted lines, though, be aware that admissions officers have read thousands of essays as well as the silly self-help and essay guidance books, and a particularly memorable line that you lift might well be remembered by one of them.</p>