Logarithms Review - Exponential Form - Graphing Functions & Solving Equations - Algebra
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- Опубліковано 6 лют 2025
- This algebra 2 & precalculus video tutorial shows you how to evaluate a logarithm without a calculator, how to simplify logarithmic expressions, how to expand a logarithmic with a radical or a square root, how to condense or compress a sum or difference of logs into a single logarithm.
Domain and Range - Free Formula Sheet:
bit.ly/4eheN2W
Logarithms - Free Formula Sheet:
bit.ly/4fEwqv0
Logarithms - Video Lessons:
www.video-tuto...
Domain and Range Formula Sheet: bit.ly/4eheN2W
Logarithms - Free Formula Sheet: bit.ly/4fEwqv0
Logarithms - More Video Lessons: www.video-tutor.net/logarithms.html
Now this is how math should be taught to those who seek help in it, The Organic Chemistry Tutor goes through every possible scenario making it easy to tackle anything without the need of surprise.
Disagree, a lot of questions in my honors class are still very hard and require you to think very conceptually. I feel like the should focus on problems like this too
@@jowo8862like the example problem is easy and then on the test they give something totally different
Preparing to go back to school for my electrical engineering degree. Have been out of school for 20 years. Was solid on my math skills in '96. Thought I forgot a lot of it. Thank you so much for these videos. They refreshed and triggered so much of what I was not very confident about. Cant say thank you enough. Now I am confident that I can place well with the math entry exam they are going to make me take since my ACT scores are apparently too old for the school.
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20:07 Change of Base Formula
22:50 Convert to logarithmic form
25:05 Change to exponential form
25:59 Solving Logarithmic Equations
47:50 Graphing Start
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Okay, thank you ehe
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With the help of this channel I was able to pass an electronics test to advance to a higher position at the company I work for. I decided to go back to school recently and do all my classes remotely because I work full time. This man is about to help me get through my pre-calculus class. You should be a professor, your teaching style is absolutely phenomenal and so easy to understand. I cannot thank you enough for everything this channel has done for me. Please keep this up!
this video was probably the most helpful thing I've found for logs in precalc. absolutely amazing.
Did you win, son?
6 years later and this comment still holds true
6 years later and this comment still holds true
You are legit a genius, everything I learned makes so much sense now. Thank you so much!! You don't even know how helpful this video was.
I still have a lot to learn.
@@TheOrganicChemistryTutor You are a literal lifesaver for all of my matriculation subjects
@@TheOrganicChemistryTutor We all do but you have taught us all so much. Thank you
I CAN'T BELIEVE THIS. I'VE BEEN TRYING TO UNDERSTAND LOGARITHMIC AND EXPONENTIAL FUNCTIONS FOR LIKE 3 MONTHS AND I JUST DID! IM GOING TO CRY I LITERALLY MANAGED TO SOLVE MY HOMEWORK THANK YOU SO SO SO MUCH AND ALSO YOU LIT SAVED MY NEXT WEEK BEGINNING EXAM
All of your material has been extremely helpful. In an hour and a half this video covered a whole chapter i had to read which would have taken me days. I appreciate the videos. i would be failing my class without them for sure
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ur not alone:)
I totally agree with you.
Sounds like true hell LOL
Master, please u need to be awarded. These are type of teachers that taught great mathematicians to become teachers that expect everyone to be like them
I don't know how you do it but I was able to digest everything at the pace you were going, which is a little fast for me but the way you explained everything and went through every possible situation allowed me to understand quickly. Life saver
12:22 is 2logx+ 3logy+4logz because those are all being multiplied :) great video though
Ashley Occelli thank you! I was watching and saw that and cane to the comments to make sure :)
Thanks
had to pause too n check
Thanks I was wondering where the minus came from
I came to comment section to ask this but u already did it. Tnx
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I love your voice its so calming and helps me understand math (which i really, really hate) better. You don't go to fast and actually explain stuff in a way that is understandable to those who are not so good at math. I use your videos for each chapter in my Intermediate algebra class to understand it better. Thank you!!
Even with this great video i'm not so sure I can pass my Algebra 2 test tomorrow, the teacher's tests are insane. I'll try though
update? i know this was 2 years ago, but curious on how you did lol
@@hermanosponce9996 it's been so long that I'm not too sure but if im not mistaken this is one of the only tests I did pretty good on. Thanks for asking :)
@@Pharomid Having the same problem as you. You see, I'm doing an honors class which is really vigorous at our school. the average is like a 70%. the questions are really hard and conceptual so you gotta know the topic in and out lol
I took 3 years off of school. Came back in to Calculus 1 and was lost during the Chapter 1 review. Spent a day on this video and I've got logs DOWN! Thanks so much! :)
this legit saved my grade, you came through for my ap chem class and you came through again for my pre calc class thank you!!
Your voice in all your videos is in a super low volume compared to any other video and music so I really have to crank my headphones up.
So when you coughed at 43:29 I had some vietnam ptsd
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i thought the vietnam said vitamin
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@@pranavm.9513 same hehe
I had to review this for my Calc class since I've completely forgotten logs from HS.
Thank you! Now I can conquer the derivatives.
33:05 lol I love it, I sat there for a moment trying to factor in my head as well, my first choice was completing the square on this one.
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My precalc teacher was out for a week (not her fault, her mom was really sick) and we didn't exactly learn this unit, and the test is tomorrow... luckily I think I have a good grasp on logs now! Thank you
Excellent work. Clear demonstration. In one word: Perfect!
🌟 Very Good, Long Teaching Problems, Keep It Up! 🌟
I watched this video in its entirety to get a preview on what we are about to do in my PreCalculus class. I can honestly say that I think I am very prepared. Thank you!!!
Thanks!
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when a ramndom man on youtube is better than a teacher who studied for years to get their career
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it deserves 10^10000 algorithms. thank you, teacher.
OMG!!! I have a calc test on Monday and this dude just helped sooo much now I know I'm not gonna fail😂😂. This is probably THE most helpful video on logarithmic functions and graphing them. THANKS!!!!!!🔥🔥🔥
You saved my life and ur voice is just 😍😍😍I could listen to him all day
1:18:31 absolutely phenomenal video, although I’m pretty sure y=2^0.5x is growth because it is essentially 2^1/2, which is square root of 2, a greater number than 1
I went all the way through. That makes me happy that you have these videos.
at 12:36 did you meant + 4log z, not -4log z, there was no division
this video is legendary. Great work and I apreciate your effort alot. My math teacher doesnt have any patience but this really helped because i could do it at my own pace.
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I've been sitting here laughing at 43:30 for the last minute. Sounds like a car trying to start up. Great video!
I learn more from ten minutes of these videos than I do weeks of class
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Struggled these topics for a month, then solved by an hour long lesson TT_TT
This is the best maths video of all time
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13:42 you can’t subtract R from Z as they were multiplied together from one term. Brackets and factor out a negative.
Great tutorial. But his voice is too soft and soothing. It makes me want to sleep especially with the all black background in a dark room at 10pm...just before a math test in the morning
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Agreed but he's still doing an amazing job
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there is exactly one hour left for my exam and this helped alot many thanks 💖☺️
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Thank you for making this video!!! I probably would have failed my test but I got an 85%. The way you explain everything just makes sense
I learned more from watching a few vids of his than I did in all my high school years lol.
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Just about everything was great! Good job! You made a minor error at the end relating to exponential decay or growth. Specifically, y = 2^(.5x) is still growth, albeit more slowly than 2^x. Just see how the function increases as you increase x.
Half of the people in this comment have stopped learning by now some are dead some are lost souls some are rich and don't even remember it
I have a final exam tomorrow and you helped me a lot thanks man your the best
12:35 I don't get why we put a negative sign infront of 4 log z shouldn't it also be addition?
At 12:33, why is the logZ^4 minus? Shouldn’t it be plus because it is multiplied together with X and Y
yes, its a mistake
ur a g, even helping me in college man
how do I use calculator to exactly type the numbers? 1:02:40 someone please help. I don't know how to use the calculator in this case. sounds stupid, but I need help
5000(1+(0.08/12))^(12x7)
amazing, deserve a million likes
I think he was sick while dng this vid. But i appreciate his dedication. Hats off to u
Really appreciate you man. You make things so easy to understand
I have my ap calc ab exam tomorrow and I realized I have no knowledge on logs, and the college board seems to love putting them in every other question. so I'm here now 😅
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Watching this rn and it helped me a lot! Thanks so much for the vid
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Thank you organic chem I love your lessons 🥺
it's very helpful, i use my book only for exercices, thank you for all.
one of the best you can find
34:44 2 woot 2
Thanks for the help🤝
thanks that really helped me get a 69% on my logarithm test
Awesome lecture. Thank you so much.
Thank u so much u are such amazing i never though i will under stand math our teacher took 2 weeks to teach this 😶
these videos are VERY helpful! they make it easier for me to understand step-by-step. thank you
Maraming Salamat (Thank you) for posting this video :-)
@@jamaljamal-nt5ke i thought so too
at 56:13 wouldn't it be (2,-∞), because (-∞, 2) would move from third to forth quadrant?
@41:45 when he's dividing, why is he putting the negative term at the top as the numerator? does anyone know?
Why is it -4 log z at 12:35 ? Shouldn't we be adding and nit subtracting?
Great education work
For graphing exponential if the function is y =x^2e^x, the horizontal asym is 0 I am saying if there’s no number adding to the function, the horizontal asym is always zero?
But this video really helped me thank you sooo much 💯 I have a test coming next week and is hard understanding how to graph exponential and logarithm function but here I am finding the most understanding video Merci beaucoup from Montreal 😊😊
Dude I don't know how u do it but I'm sure u cured all my diseases I mean everything is taught in school is gud but as hmk when questions where we don'tknow what to do u solved I mean u detect the blind spot of calculating those questions wow ur gud u are praise worthy thx Sensei I mean guru solved all my problems and plz continue to do more videos plz and gud video^_^^_^:-):-)😁😀😀😊
At time 12:32 I don’t understand why the z axis became negative while there’s only multiplying and addition in the original equation?
Thanks :)
You are saving my grade.
this vid was really helpful thnx but I have a question: at 1:12:27 if the question says it doubles every 20 min lets say what do we do in that case? will it be like y=5000(2)^t/20 or??
hey at 31:52 couldn't you just subtract the log to the other side. Then turn It into a division problem that = 0. Log2 (x^2+5x)/(x+4)=0?
Why at 12:36 is the answer -4 log z and not just +4 log z..? This wasn't explained and doesn't seem right.
Thank you