4 ms·
Yeah, that part of the explaination felt strange to me as it's not intuitive and the student is taking the author's word for it. There's no difference between t
by digitallyfree 5y ago
Yeah, that part of the explaination felt strange to me as it's not intuitive and the student is taking the author's word for it. There's no difference between that and completing the square without understanding how it works - or just blinding memorizing the quadratic equation.