Comments by "Toby" (@toby9999) on "Math Queen" channel.

  1. Why do people make these kinds of comments? It's not intuitive to most people. It wasn't intuitive to me. The whole point of these videos is teaching. It's even in the title. It's a tutorial. It's not about boosting egos. If one doesn't do full workings, then one doesn't learn. I hate it when steps are missed. I'm just left hanging.
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  2. Yeah, I noticed a lot of smart aleck's in the comments boasting. This one had me stumped.
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  3. It is logical 😀
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  4. Yeah, I even have a mathematics degree, and I've never heard of it.
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  5. That's also how I did it.
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  6. ​​ @Robodog69 It's not about what it had to be. It's about demonstrating ways of solving stuff. I am so tired of people chiming is as the resident expert. Every comment section has people with large egos trying to better the teacher. It might be pre algebra, but I studied a maths major and couldn't do it.
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  7. I'd never considered factorial as being linear. Coming from a computer science background, we consider factorial as being the fastest growing and therefore the worst time complexity i.e. factorial > exponential.
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  8. Well said. Thank you.
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  9. I've never encountered that, ever.... not even right through to completing a mathematics degree at university. Maybe I was lucky with teachers? A more likely reason would be that students misunderstand what they're taught. A glaring example is the PEMDAS / BODMAS thing and not paying attention to detail. The acronym is a guide. It's not a full set of rules, but people seem to forget that.
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  10. The target audience are people who don't know how to solve this problem. I couldn't do it, and I even have a degree in mathematics, albeit from 30 years ago.
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  11. I failed in 3 sec
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  12. None of that makes any sense to me, so, maybe the other method is fine. In any case, not STUPID.
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  13. Well, if you were able to solve it even in a "dumb" way, you deserve a medal. I gave up after a very long time of getting nowhere.
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  14. Why? It does have the advantage of not confusing division with fractions (which a lot of people do btw)
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  15. I would have guessed b) using your logic too, but I really wanted to figure out how to solve it properly... and failed.
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  16. How did you recognise that? My first thought was that the answer would be 2. Obviously, it's wrong in hindsight.
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  17. You've just burned my brain cells lol
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  18. Yes
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  19. Not really. There is only one solution.
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  20. So, you want to deprive the learning experience of many viewers just because you're impatient? Isn't that a little selfish? How about skipping the parts you don't need?
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  21. Yeah, there's always a super brain who does it in seconds... but what you wrote there is not a few seconds work, at least not for 99% of us.
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  22. So what? How about people who didn't take that course? Or those who have forgotten? These educational videos are not all about you.
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  23. That was also my line of thought.
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  24. That blows my mind... really? It seems to work, but I can feel my brain exploding. It's baffling how that can work.
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  25. What? LOL
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  26. Unfortunately, that's all completely meaningless to me without explanation. And I suspect the same for most people.
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  27. This kind of thing occurs in engineering, sciences, and software development, among others.
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  28. I believe it's typically grade 12, as it is also in Australia. Some advanced courses may introduce it in grade 11.
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  29. ​@TheNameOfJesus There is no way to solve it by "simple inspection". One could take a few guesses to get started, but pretty much no one is going to do the becessary working in their heads.
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  30. That's how I did it.
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  31. ​@MathQueenSusanne I understould you completely. Some people are too pedantic. I regularly encounter overly pedantic folk on programming forums. I think it depends on context. If you were lecturing at Harvard vs. YT, etc. In fact, saying 'roots of functions' clarified something in my brain that I'd always glossed over, even if not strictly correct.
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  32. I've been seeing ! used for 30 years but still got it wrong :)
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  33. X=0 was an obvious solution by observation, but I was wondering what the catch would be?
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  34. Do you want a medal?
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  35. ​ @phxguy370 But more advanced and less about learning for beginners. I like what she did. It builds a foundation.
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  36. I think you might be conflating finding the square root of a number with finding roots of polynomials?
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  37. Why is that funny? That's how I say it.
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  38. I found it to be too fast and had to repeat parts of it.
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  39. First of all, how do you know all of that. I have a University degree in mathematics and Ive not seen anything like this. And second of all, only one dimension is provided. We don't know the outer shape nor the height, right? That's why I was stumped. Sadly, I don't understand how your working relates to the problem. Mirroring the drawing just doubles the areas.
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  40. That's how I did it. Area of circle minus two triangles
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  41. How about when n=0? I think this is a strange one, right?
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  42. The hexagon is not regular by definition. A regular hexagon has all angles 120 deg
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  43. ​ @Nikioko "immediately indentify"? I doubt it.
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  44. ​​​ @Robodog69 No way is that grade 5 work. No way. My son recently finished high school. Didn't do anything like this until grade 11. When I was at high school 45 years ago, it was grade 10 but only for the advanced group. Anything to do with polynomials was grade 10/11 pre calculus work. We didn't touch algebra until grade 9. I was age 15 in that year.
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  45. What?
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  46. Comments full of silly claims about how easy this is... it's not easy.
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  47. ​@Lynn-u7l Why? I still don't get it? Why would you assume that when we don't know the actual size of the rectangle? This must be some kind of advanced geometry. I never encountered anything like this, and I even have a degree in mathematics, albeit from 30 years ago. And a degree in computer science (A average). Not trying to boast. I'm clearly clueless now.
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  48. She showed the answers
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  49. It was obvious. I like the way she worked through it in detail. It was perfect. I took the same approach, but my algebra failed big time.
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  50. This one was a nightmare lol
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