You are very welcome and thanks for the donation to GreeneMath. I'm glad to hear that your grades are starting to improve. Let me know if you have any questions and good luck!

Awesome, I'm glad you are finding the site helpful! I am really hoping you did lots of practice!

@Greenemath Did Khan Academy Algebra 1 at the same time. I used all your practice tests and also the ones for Khan Academy. A suggestion is to put in a final exam like Khan Academy has. So thanks again. I'm taking a break and then doing Pre-calculus.

@Alison-kj4jp, I'm glad to hear that you did the practice. Most people who are self-studying don't practice at all. They just watch the video and conclude that they have mastered Algebra. I am currently working on the Algebra 1 section on GreeneMath every day after work. I'm trying to finish adding in the computer-generated practice problems that everyone seems to prefer. Over the years, I have gotten a lot of complaints that the Algebra 1 course doesn't have enough practice. I would constantly hear, "You just have 5 problems for the practice test and 5 problems for the unit test." The computer-generated problems are the way to finally fix that. After I did it for Prealgebra, I never heard that complaint again! Then, of course, I have to do the same thing for Algebra 2. Anyway, I think it's a great suggestion to have an end-of-course exam like on Khan's platform. I currently have that on Udemy but haven't done it on GreeneMath. I think this is the one you did, right? www.khanacademy.org/math/algebra/test/x2f8bb11595b61c86:course-challenge

@@GreenemathThat's the one

@Alison-kj4jp Like I said above, I think it's a great suggestion. It's just finding the time to implement such a thing. Have a Merry Christmas and let me know if you need any help with Precalculus.

It's back, I had to fix the SSL certificate.

I got worried, I read your post about spam bots on KZbin and your site. Happy things are working ❤

@Alison-kj4jp It actually wasn't a spam bot on KZbin. The fake comments were coming from one single person. I knew I was getting a large number of fake comments for a while but didn't really have proof. I got a comment one day that I suspected was fake, so I deleted it. Then the next day the same general thing was posted using a different account. At the time, I figured it was a spam bot or something writing fake comments to edit them later on but I was wrong. One day, the guy leaves a comment on an unlisted trig video that didn't make any sense at all. He tried to factor a number out from an angle, which doesn't make any sense and is not something you would ever do if you were following the course. The kicker was he said "How would you solve it then" at the end. So you didn't watch the lesson or do the practice test, you just randomly found an unlisted video on the website? No one ever leaves comments on unlisted videos, like I have gotten one comment in all the years I have been running the website. So I collected the analytics for the people on that webpage for the day. Then over the next week, he left comments on two other unlisted videos and the analytics information matched even though the KZbin accounts were different. So I sent it to KZbin with a list of all the accounts that I know were leaving similar comments and after about a month of waiting, they confirmed my suspicions. Anyway, they gave me access to some additional filters that can be used for people being hit with spam bots. I don't know exactly how it works but I think it compares device information or something. Spam often comes from accounts that get taken over so that's one layer of protection although not perfect.

@@Greenemath I'm legit curious how you suspected this and if KZbin told you who it was? I see the same stuff done on Reddit. You can tell there are lots of fake comments. Why do that on a math video?

@Alison-kj4jp I started getting similar comments over and over again and it didn't make sense. There was a guy who popped up after this video was published that would leave these really long messages. He would always call me "Professor Greene". I would always correct him and tell him I am a tutor and not a professor. Then there were other accounts that all of the sudden started doing the same. It never happened before and then all of the sudden? Like it didn't make any sense. Also, you could tell he was using fake accounts because he would comment on one video with his one account then comment using another account on the next video in the sequence. Then I started getting all these questions with time markers that made no sense at all. Almost like the guy was going to a random time marker and asking a completely random question. One time he posted a time marker from another course. There was also this post from a supposed kid who was stuck on an order of operations problem in Prealgebra. He kept telling me I was wrong after I explained it like four times and gave him all the steps and several calculators that would prove the result. Normally, I just delete stuff like that because I assume the person is trolling but when I saw his explanation, I figured he needed some help. It turns out that was just another fake account. In terms of who it is, I don't know. There was a guy from a long time ago who used to send me emails and do the exact same thing. He would email under one name and then send another email saying pretty much the same thing using a different email. He was sending it to my email server so using analytics I knew it was the same person. I never said anything to him, I just answered his questions. I try to help when I can. I just can't understand if I'm answering questions, why not just use one account and ask the questions you want? I'm happy to help someone with math if they need it. Why use thousands of fake accounts to ask fake questions? Like I really don't get it at all.

There's an additional 250+ hours not in the playlist if you consider the quiz solution videos and the parts 2 and 3 of the College Algebra solutions. No matter the number, the A.I. models have rendered most of that content to be completely useless!

Awesome, glad to hear that!

I'm currently working on trying to have that feature for all of Algebra 1 and 2. I can see that a lot of students prefer it to the solution video approach. In hindsight, I should have gone that route versus making solution videos.

@Greenemath I love your solution videos, they are very detailed. The problem generator is also extremely helpful. Most sites have generators but yours is the first to have extremely detailed solutions. I had bought Kuta Algebra but if you get stuck, you really have nowhere to turn. Hope you get funding from somewhere. Seems like you could really go far with some help.

@Alison-kj4jp For most students, they are just buying a $10 workbook with the steps in the back. You are right on the generator part, tons of Algebra websites have a generator but no steps. You can look at MathAids, which is very popular. You can also use Chat-GPT. The newest model will make problems with the steps and give you a pdf. There really isn't a good way to get funding for this type of work, you just have to chip away at the content you want to make using whatever extra time you have during the week and then of course you can work some on the weekend. Good luck!

I think it’s a valid criticism that could apply to any type of tutorial, not just math. Just like anything else, you can become really good at word problems with lots of practice. Keep grinding the problems out and it will come. Good Luck!

@@Greenemath Firstly i apologise, that message came across as abrupt and ungrateful. I was frustrated with myself (I still am) I do appreciate the amount of effort it takes to create this content, i think its great you upload this stuff for free, so thank you. Ive started writing any bits that are unclear into chatgpt4, which is doing a great job at explaining it in multiple way to help it sink in. IMO your resource is certainly better than khan academy, the structure of that is a mess, and you dont realise until you are several hours in. I find with all online resources the tutors often explain simple things in great detail, then gloss over bits where detail is needed. Im am taking the approach you suggest, im grinding away for hours and hours every day hoping it will all fall into place. I take comfort from reading how some of the great scientest on earth struggled with maths.

The main issue with trying to learn math on your own is normally the lack of practice. In a classroom setting, you get homework every day and also you have to really prepare hard for a test. So if you want to really get good at math, you have to replicate that environment as closely as possible. openstax.org/books/elementary-algebra-2e/pages/3-introduction That is a link for chapter 3 of the Algebra 1 textbook for OpenStax, which is free. You can work through all of the examples in that chapter and you'll really have a good understanding of the typical Algebra 1 word problems. You can also ask ChatGPT for help if you get lost or ask for a PDF with full solutions as it does that as well. In a few years, this model of video tutorials will be completely dead, students are going to be using A.I. generated tutorials with practice built in. Anyway good luck!

Awesome, glad to hear you are making progress!

That formula is only for a 2 x 2 matrix. The 3 x 3 or higher uses a different technique, which is quite tedious.

You are very welcome!

Thanks and good luck!

@@Greenemath Welcome! 😊

I'm glad the lessons are helpful, good luck!

I'm glad you are finding the tutorial helpful!

🙋‍♀️

@@Greenemath ya

Thanks

Welcome

The equation at that time marker is 2x + 3y = -24. It appears as though you are putting the right side to +24. A linear equation in two variables has an infinite number of ordered pair solutions. So x could be 0: 2(0) + 3y = -24 3y = -24 y = -8 (0, -8) would also be a solution for the equation.

I'm glad to see you taking an interest in learning math. Good luck!

I'm really glad that the course has been helpful. Thanks for the donation to GreeneMath and good luck! 😎

You're welcome!

Good luck!

You are very welcome!

I'm glad you found the course to be helpful, good luck!

Good luck with the test!

You are very welcome, good luck with your channel!

You are very welcome!

🎉🎉❤❤❤ thanks

Glad it helped!

Glad it was helpful!

Good luck!

I'm in the same boat. I have my JATC test on Tuesday and needed this refresher

Update?

🚿

You are very welcome.

Thanks

In the description and pinned comment.

I don't understand the notation you are using. Why are there colons in the problem?

Type out your steps and I will take a look for you.

Glad the lesson is helpful!

What's the time marker?

Glad to hear that, god luck!