Algebra - Understanding Quadratic Equations

Рет қаралды 950,763

11 жыл бұрын

Visit ilectureonline.com for more math and science lectures!
In this lecture I will take the mystery out of the quadratic equation and help you understand what it represents.

Пікірлер: 937

@georgmtb9671 4 жыл бұрын

dude, thank you u took 11 minutes and 32 seconds to explain everything my maths teacher tried to explain to us for 3 months.

@andreh1200 3 жыл бұрын

I think the problem is that you never paid attention.

@hastaar2161 3 жыл бұрын

@@andreh1200 no he may have, it's just he didn't ask questions

@harrison1153 3 жыл бұрын

@@andreh1200 No I actually strongly disagree with that. In some cases that may be true but not all. Most teachers in high schools work at an incredibly slow pace, I have found, which I find very distracting as this is quite a simple subject. The difference is *speed*

@lagzilla163 3 жыл бұрын

@@harrison1153 have u heard of the concept of gt if you are so smart that the speed is too slow for you then why dont you get to be in gt there has to be another issue

@mintymango3717 3 жыл бұрын

3 MONTHS?! 3 MONTHS???!!! if it took your teacher that long then I think you are the problem dude.

@BabylonCentral 7 жыл бұрын

You, Sir, are a great teacher. Perfect video. 5/5. And the bow tie! 6 out of 5. Thank you Sir.

@resingussianface2555 5 жыл бұрын

Bow ties are cool

@notb8807 5 жыл бұрын

he explained in 10 minutes what my teacher couldn't do in a week

@davidclement9718 5 жыл бұрын

Lol,likewise my damn teacher.

@omarrefaye3105 4 жыл бұрын

lol

@vampiresquid5833 4 жыл бұрын

grandma bertha I came here to say the same

@xgusty7938 4 жыл бұрын

Here we go with copying comments.. again.

@TheMoisterizer 4 жыл бұрын

MRS RAINS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

@riyavenkatesh9152 6 жыл бұрын

stop reading the comments and pay attention

@godfreyincmedia5862 5 жыл бұрын

Am not in school Riya

@TriangularKamalAcademy 5 жыл бұрын

ha ha ha

@paulishmaelvitamog7722 5 жыл бұрын

Riya Venkatesh lol

@ankitaaarya 4 жыл бұрын

Hahaha

@calibr0636 4 жыл бұрын

@alperena1675 5 жыл бұрын

Who else is here because their Maths teacher is utterly useless

@raman9532 5 жыл бұрын

Alperen A me

@ajsmith4344 5 жыл бұрын

@alperena1675 5 жыл бұрын

mae mood

@lachlanramm8527 5 жыл бұрын

unfortunately bru

@leochiriboga6323 5 жыл бұрын

My math teacher literally spends half the hour of class talking about his love life so yeah he’s pretty useless.

@meng5794 8 жыл бұрын

atleast my left ear is enjoying this

@taylordowns3688 6 жыл бұрын

Meng bru I only have the right ear plug fml😂😂😂😂😂

@sillyyyluvr 6 жыл бұрын

In my case its my right ear

@rahzekarma 5 жыл бұрын

it tickles.

@jamesy1955 5 жыл бұрын

Thank goodness....I thought my earphones were busted. 🤗🤗

@caleb7122 4 жыл бұрын

its soooooo annoying

@njs811271 8 жыл бұрын

This is the best explanation of quadratic equations I have ever seen. You have earned my subscription.

@sunderek2953 8 жыл бұрын

i agree!

@fpvlogs2488 5 жыл бұрын

neeky boi

@Umar-zf7we 4 жыл бұрын

My maths teacher isn’t exactly useless, it’s just that I failed to pay attention for 5 years and now I’m learning everything in a single year.

@shiyuru9943 2 жыл бұрын

that's my life as well lmao

@andycondoy662 6 жыл бұрын

This is the best explanation of quadratic equations I have ever seen.

@MichelvanBiezen 10 жыл бұрын

Natalie, If the image is out of focus or hard to see, you can change the focus setting

@patricksilva2345 5 жыл бұрын

That's all we need to know. Explained in only useful 11:25 minutes. Thank you Dear Michel Biezen, you are a real professor. I think most of the math professor, they just now how to apply the formulas, but they do not know the logic behind. Without logic, no one will be motivated to learn. Keep doing this great job, you are opening my eyes every time I watch one of your videos. I am a big fan of you! I will spread your channel/blog to many other people because they must see this beauty of math and science.

@tommcneil8752 4 жыл бұрын

This is another quality maths teacher. There are so many maths teachers who "speed" through a subject and not allowing the student to absorb the abstract concepts. This is very well explained right from the outset.

@justincantley9441 6 жыл бұрын

To find the midpoint or the axis of symmetry you can also use the formula: -b / 2a

@marinecsgo6141 3 жыл бұрын

Fine Gentlemen You Have Earned Your 41st Like Well and With Honour

@MysticArtsStudios144 3 жыл бұрын

Cool. Thanks!

@mellewisselo8025 2 жыл бұрын

you are a lifesaver and you just made my day

@a.s8897 2 жыл бұрын

for the vertex of the parabola: (x, f(x)) (-b/2a, f(-b/2a))

@jonahlewismusic 3 жыл бұрын

Mans just explained quadratic functions in 11 minutes, when I've been trying to get the concept for weeks! Thanks Mr. Biezen.

@MichelvanBiezen 3 жыл бұрын

Happy to help!

@AntoineDennison 6 жыл бұрын

I have been struggling with this in class, but you really made this easy to understand. Thank you!!!

@perryfroze 4 жыл бұрын

Greetings in Jesus name our Lord and saviour, are you interested in hearing about the Gospel of Jesus Christ who is our lord and savior? Originally man lived in pure happiness with God in Paradise but we sinned by disobeying God by eating fruit from the forbidden tree, because of this we were thrown out of Paradise and onto this earth, as we stubbornly found pleasure in eating from the forbidden tree although there were better trees to eat from in the Garden of Eden. God loves us so much that he made a way for us to enter back into paradise by sending his only son Jesus to die for our sins so that he can give us eternal life and save us from death and eternal punishment in Hell. Here is a pray that you and others can say to receive Jesus Christ as your Lord and saviour. Father in Heaven I receive your son Jesus as my Lord and saviour, I confess my sins and I ask you to forgive me for all my sins, wash and cleanse me and everything pertaining to me with the blood of your son Jesus and wash away all my spots, blemishes and wrinkles with the blood of your son Jesus. Father God in Heaven fill me with your Holy spirit every moment of my life and give me infinite oil for my spiritual lamps. I forgive and release all those who have done me wrong and I ask you to bless them and write my name permanently in the lambs book of life in Heaven in Jesus name I pray amen. Here is another pray to break curses and bind demons in our lives. Father God in Heaven I break and loose myself and my family from all curses going all the way back to Adam and Eve and I bind every demon and demonic influence in my life and in my family life permanently in Jesus name. I command all demons in my life and in my family life and those around me to leave and never return in Jesus name. Father God send your legions of Angels to fight for me until the end and send your ministering angels to keep ministering to me and always guide and protect me from all evil, I command Satan to get thee behind me and all of Gods creatures in Jesus name I pray amen. Pray always and study the KJV Bible to know more about Jesus and God's plan for our lives. Jesus bless you. Please pass on this message.

@sleepyangel3775 5 жыл бұрын

Can we just admire those perfectly straight lines he has created for the graph for a quick moment?

@davidclement9718 5 жыл бұрын

I didn't like mathematics b4,but when I started watching on KZfaq, I've learned a lot and understand very well...

@UsuludinArimelala 3 жыл бұрын

"Algebra - Understanding Quadratic Equations" best explanation...great teacher

@MichelvanBiezen 3 жыл бұрын

Thank you! 😃

@Chelovyek 2 жыл бұрын

There are many people out there who are brilliant in many subjects but lousy at math. But when it is explained properly, these same people quickly realize that math is not nearly as mystifying as they once thought. Thanks!

@MichelvanBiezen 2 жыл бұрын

Glad it is making sense.

@tmpace9 8 жыл бұрын

Test tomorrow. Halp.

@drawgeta8647 6 жыл бұрын

Did ya pass

@mansellotthegreat645 5 жыл бұрын

TackStash779 how’d it go buddy?

@sobantahir1011 5 жыл бұрын

You're asking him after 2 years? lmao

@Jack-zd3vr 5 жыл бұрын

Legend says he went on to become Elon Musk...

@welost2night445 5 жыл бұрын

Umm I tooked the regents and failed algebra 1

@tonyde6744 2 жыл бұрын

After all these years still a great explanation!!!

@MichelvanBiezen 2 жыл бұрын

Thank you.

@davidromero7823 5 жыл бұрын

you're the best teacher , I understood the basics of quadratic equations , thank you so much

@richardlau395 13 күн бұрын

Thank you Michel. Your video is 11 years old but your teaching is timeless. What a star.

@williambunter3311 2 жыл бұрын

Wonderful, wonderful,wonderful! Thank you Sir. Thank you so much. I have subscribed. I am 72, nearly 73, and never learned this when I was at school back in the sixties. I know how to solve quadratic equations using algebra, but I have never before learned to put them in graph form. I am hoping, by God's grace, to go on to calculus eventually. I believe your video is a great starting point. And I find graphs are things of beauty!

@MichelvanBiezen 2 жыл бұрын

Hi william. I have the same excitement when I finally understand something that eluded me as a student. I have actually learned a lot from making the videos as well, since going to school and college wasn't as enlightening as I had hoped. We have the full set of algebra, pre-calculus, and trigonomety videos, to get you on the path to calculus. You can find them all from the home page of this channel. Enjoy!

@williambunter3311 2 жыл бұрын

@@MichelvanBiezen That makes me really look forward to the coming new year. God bless you with many good blessings.

@MichelvanBiezen 2 жыл бұрын

Thank you. God bless you too.

@carnivalwrestler 7 жыл бұрын

Very nice explanation. This is what everyone should watch before starting to do quadratic equations. Thank you for posting.

@PsiChi01 5 жыл бұрын

I wanted to tell you that this is the best explaination on you tube as far as I am concerned. Thank you.

@MichelvanBiezen 5 жыл бұрын

Thank you.

@angelesmena622 7 жыл бұрын

The best video I had found for really understanding. I was trying to memorize this by hard, but now I won´t forget it. Thanks!

@nill007 5 жыл бұрын

The only video that I actually understood. Thank you for not assuming we all know the smaller steps and taking the time to explain every step clearly!!! Subscribed!

@nill007 5 жыл бұрын

P.S. I wish I could replace my prof with you!

@siri3441 5 жыл бұрын

A perfect, clear explanation of quadratic equations. Thank you very much!

@zolanskiurmom 4 жыл бұрын

under quarantine right now my teacher making us watch this and it makes more sense now thank you :)

@emilycartagena9217 4 жыл бұрын

That happens to me too

@nyashakavhiza8524 7 жыл бұрын

Sir you are a Legend. Explaining all that concisely in 11.5 minutes, that's magnificent. So grateful.

@dinusiva3019 5 жыл бұрын

Best teacher I ever seen.....mr.Micheal teaching reminds me my professor mr.ramamurthy....

@emeraldflame6194 5 жыл бұрын

I’m in 7 grade and taking an Algebra 1 course at school. This helped me get an A. THANKS!

@notb8807 5 жыл бұрын

same

@CarlosMendoza-kz8bd 4 жыл бұрын

I’m in 3rd grade taking algebra 2

@emeraldflame6194 4 жыл бұрын

Carlos Mendoza, judging from the voice in your video, you’re not in 3rd grade.

@ThaHKBlower 4 жыл бұрын

Carlos Mendoza bullshit

@lonelyrabbit7224 6 жыл бұрын

The bow tie led me to this video. And you are one of the few good teachers on youtube.

@mikedaniels3009 4 жыл бұрын

Congrats, Sir. You are one, if not THE SOLE teacher here to actually represent equations graphically .

@drakew1094 3 жыл бұрын

I cannot believe he just explained what I’ve been confused on for a month. I have a test tomorrow and I was convinced I was going to fail. I think I will get a passing grade thanks to you. Thank you so much.

@MichelvanBiezen 3 жыл бұрын

You can do it!

@mehulighosh7181 Жыл бұрын

OMG I'm stuck with the same problem 😅... Maths exam tomorrow n I'm clearing my concept on graphs today...

@chocolate_liberty2835 6 жыл бұрын

This video is amazing. I love how you explain. Thank you!!

@general_prodigy 5 жыл бұрын

Whoa. Been trying to find a video telling how to do this stuff but couldn't find any. Thanks sir. I can finally get 💯% in my test

@ottosparky 5 жыл бұрын

A thorough explanation of key concepts and points (unintentional pun). Well done.

@honeybee2145 5 жыл бұрын

The basics of Quadratic equation was thoroughly explained in this video clip. He is one of the best teachers on earth.

@aidanazure1005 2 жыл бұрын

I have a great math teacher but, I can't pay attention so I just use this for help. Thanks much!

@MichelvanBiezen 2 жыл бұрын

Glad you find our videos useful.

@Chapali9a 8 жыл бұрын

This is just amazing! Thank you very much indded.

@cocoxoxoxo7881 7 жыл бұрын

Sir u are amazing! You explained everything in great detail! You are a God sent!

@paulbailey1215 4 жыл бұрын

Thank you, an excellent video. All the other video I found on the topic only wanted to show how to solve the equation, rather than what the equation and subsequent values actually meant.

@nkanwal680 7 жыл бұрын

havent consumed so much with one ear in so many years. thank you

@MichelvanBiezen 7 жыл бұрын

We had no experience on making videos when we first started this channel. So our earliest videos are in mono. Thank goodness we learned how to make videos in stereo soon after.

@nkanwal680 7 жыл бұрын

I just wanted to appreciate the effort you put in the video. I really admire your work in field of maths.

@ishanzuaim5579 7 жыл бұрын

THANK you so much, this helped me a lot...ill ace the test because of you :D

@donmueller626 5 жыл бұрын

For what it's worth I flunked geometry & trig (primarily because I never went to class or read the text!), but this was really well done. I feel if I reviewed a couple more times, I'd have these down cold. Thanks!

@danp4938 Жыл бұрын

Thanks for this video. I’ve been struggling all semester and you went at a comfortable pace and named everything involved.

@MichelvanBiezen Жыл бұрын

Glad you found it helpful. 🙂

@LaureanoLuna 5 жыл бұрын

8:47 It is literally true that 'sometimes' the parabola crosses the y-axis; in fact, it does so in all cases. Otherwise, the function would be defined only for positive or only for negative numbers, which is not possible if its form is y = ax^2 + bx + c.

@christinenguyen2040 5 жыл бұрын

thank you for explaining this easily and simply!

@rowydaishak4362 4 жыл бұрын

OMG I love this man ! Please continue to make learning math not so painful to understand.

@cakelegion3359 4 жыл бұрын

I would like to thank you very much, I kept forgetting how to do these, but this will surely help me remember the quadratic equations!

@debabrate69 7 жыл бұрын

wow this guy explained everything so beautiful

@rayhannahashemi4517 4 жыл бұрын

Thank you so much, really helpful! I'm trying to study GCSE maths higher by myself.

@LG-vu8zt 3 жыл бұрын

Thank you so much man. Congrats on teaching me more in 11 minutes than my teachers in two weeks. Much love

@MichelvanBiezen 3 жыл бұрын

Happy to help!

@jigmewangmo9788 5 жыл бұрын

i understood the whole chapter indeed. and i have a test on monday, which is a serious thing because i didnt learn anything from class. but now its quite easy. but can i request you to upload another topic,"graphs of quadratic function in factored form" would be glad if you explain this also.

@elmoreglidingclub3030 5 жыл бұрын

Excellent!! Very clearly explained; much appreciated.

@kawazaki23 7 жыл бұрын

This has helped me i am currently following A level Mathematics and this has helped me alot thank you so much michel van biezen for uploading this video i am going to try study mechanics from here since i am also following mechanics course wishe me luck i wanna succeed on maths and mechanics

@sampitts7044 5 жыл бұрын

You are going to need much math in mechanics it's all math and good luck

@mrmrsporterbuiltinparadise568 6 жыл бұрын

Beautiful job explaining the subject in a manner that makes sense!

@arturoguerrerolopez9229 2 жыл бұрын

You really are a huge utter professor, really I'm really thankful for have met your channel, we need more professors like you

@MichelvanBiezen Жыл бұрын

thank you for your comment

@tessasuhr7379 5 жыл бұрын

This is actually really useful. Thank you so much.

@kyrenkhairah4248 6 жыл бұрын

Thank you very much for making this video sir.

@abdelljones6233 3 жыл бұрын

This man is a legend the functions thing was absurd to me but this man explained everything and answered all my questions

@naomianderson4861 2 ай бұрын

I've been struggling to understand this topic for months now but thanks to this video I've been able to understand within some minutes. Thank you Sir

@MichelvanBiezen 2 ай бұрын

You are welcome. Glad you found our videos.

@bladeog4285 6 жыл бұрын

Thank you. My teacher was supposed to teach us this weeks ago and semester exams are coming up. So I had to learn this on my own, and this video helped a lot.

@thosewatermelonjugs3035 7 жыл бұрын

Very clear explanations, I understood it very well. Thank You ^-^

@ThePiMan0903 Жыл бұрын

Thanks for this sir! Your videos were one of my inspirations when I started out my KZfaq Channel. The way that you explain these topics is really clear and concise. Really helpful!

@MichelvanBiezen Жыл бұрын

Great to hear!

@callumwells 6 жыл бұрын

You made this incredibly simple to understand - thank you!!

@jesuisravi 6 жыл бұрын

I wish I had seen this 20 years ago...well, better late than never.

@echoesofsilence7823 6 жыл бұрын

thats the spirit

@njoliprint4084 5 жыл бұрын

I WISH I HAD FOUND THIS VIDEO EARLY, I COULD HAVE SMASH MY MATH TEST. IT'S SO HELPFUL

@chocolate766 3 жыл бұрын

Same but instead I failed

@regifan1019 3 жыл бұрын

anyone here thinking holy crap, why is my math teacher so confusing and yet this guy can easily teach something so simply

@caseylovato4625 4 жыл бұрын

Very detailed explanation, thank you. You went over details I was needing explained from other videos.

@MichelvanBiezen 4 жыл бұрын

Glad it was helpful!

@ayamazloom4173 6 жыл бұрын

Thank you sir,It was helpful 😊

@Ghost-kh2kj 6 жыл бұрын

Thank you very much it is really helpful for me

@craigruchman7007 5 жыл бұрын

Stellar explanations, simple yet complete

@roxanatapia7428 5 жыл бұрын

este es una clase magistral de matematica ha incluido todo en una sola leccion paso a paso muy Bueno!

@rakesanand1 7 жыл бұрын

well explained...thank you

@yourdemandisthere1966 6 жыл бұрын

prefect teacher well study guys

@elmoreglidingclub3030 3 жыл бұрын

Excellent explanation and valuable, useful insights. When you understand a math concept as explained here you begin to see uses and applications. It opens a new window of understanding.

@MichelvanBiezen 3 жыл бұрын

Glad it was helpful!

@issolomissolom3589 6 жыл бұрын

Sir You are a great professor and a great teacher

@user-mu5eg1sx8i 6 жыл бұрын

thank you very much, it was relly helpfull

@alanbrown3078 6 жыл бұрын

Came for the Math stayed for the Bow tie!

@beaniegaming69 2 жыл бұрын

You taught me more than my teacher could in less than 12 minutes! Amazing! Thank you so much!

@MichelvanBiezen 2 жыл бұрын

You are welcome. Glad it was helpful.

@dreamare1232 2 жыл бұрын

I really prefer listening to this teacher. He made me clearer about "Quadratic Function" since my tuition math teacher only taught me solutions. I thought about 3 days but still can't figure out how I get the answer! Thanks👏

@MichelvanBiezen 2 жыл бұрын

Glad the video helped. Now practice some examples so you can solidify your understanding.

@dreamare1232 2 жыл бұрын

@@MichelvanBiezen Ah thanks for replying but do you have any video about "Pythagorean Theorem"?

@ShafiqKhan-tb3oe 6 жыл бұрын

thank you sir

@johnetzel-mcleod6972 3 жыл бұрын

people with only right ear buds in their ear: "what in tar nation is going on here"

@Ab-kx4xv 5 жыл бұрын

Thank You so much sir! Extremely helpful for GCSE maths!

@alfredovizcarracoa444 4 жыл бұрын

Es el mejor profesor de matemáticas que he visto en youtube. Es un verdadero maestro la forma como explica de manera muy didáctica...

@MichelvanBiezen 4 жыл бұрын

gracias

@johnpuri4317 7 жыл бұрын

Sir, would you please solve this? (1+x)^(1/3) + (1-x)^(1/3) = 2^(1/3) I know just by looking the answer is x = +- 1 but how to solve in process way?

@MichelvanBiezen 7 жыл бұрын

Cube both sides and use the binomial expansion. It is messy, but doable.

@shivamtandon8247 6 жыл бұрын

But won’t this take a lot of time in the exam to do we have to do so many equations

@jeffreychavey4161 5 жыл бұрын

You are going the extra mile by explaining the WHYs and elementary parts in the beginning - thank you! It makes everything else make sense

@Matt-kl7qc Жыл бұрын

This guy is like the onl person on this platform that actually takes a moment to describe everything to his answers and steps with an actual reason. Like I can actually understand what hes talking about

@MichelvanBiezen Жыл бұрын

Thank you. Glad you found our videos! 🙂

@meeeeeeeeeeeee882 6 жыл бұрын

Thanks a lot :) you helped me a lot in physics but i struggle in math ( kind of oxymoronic i know)

@thomasbarber7739 5 жыл бұрын

Paradoxical; or, counter-intuitive; not oxymoronic.

@james7110 5 жыл бұрын

My teacher had the nerve to rage when I asked a question

@jeffreyhu9007 4 жыл бұрын

Bro this dude actually makes this understandable. Thank you.

@Imjustaguy69420 4 ай бұрын

11 years ago and still so useful Im glad i found you

@MichelvanBiezen 4 ай бұрын

We are glad you found our videos as well. Welcome to the channel.

@Imjustaguy69420 4 ай бұрын

@@MichelvanBiezen thank you

@silvaelliot6130 6 жыл бұрын

I'm still lost😣Im gonna fail my test again😭😭you children have absolutely no idea how much videos I've watched😢😢

@MichelvanBiezen 6 жыл бұрын

Silva, Instead of just watching the videos, also try to work them out yourself. You will learn the material better that way.

@destinyovbiebo8988 5 жыл бұрын

Silva Elliot if you live in NYC, let me know, so that I can help you with it.

@iliveinsideyourhouse3943 4 жыл бұрын

Yea, I can understand other math subjects but graphing is almost impossible to understand.

@mikeydaone 5 жыл бұрын

if it doesnt cross the x axis what does x = to?

@MichelvanBiezen 5 жыл бұрын

If the graph doesn't cross the x-axis, then there are no real roots, just imaginary roots and x will be equal to an imaginary number.

@broccolininja8950 8 жыл бұрын

very clear lesson, thank you and keep up the good work

@MJE673 6 жыл бұрын

That was an outstanding video. Learnt why we do them as well as how. Cheers.