Added: 5 years ago
From: khanacademy
Views: 254,954
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  • Using this video for an assignment... Extra credit here I come and very helpfull

  • you're awesomeeeeeeeeeeeeeee!(:

  • So much easier to understand! My teacher has an accent and I can understand her a little but this explains it really well! Thanks!!

  • I spent a lot of time in school mystified by a less than useless teacher - this stuff is simple and simply explained. Thank You.

  • you taught me this whole lesson in like 4 to 5 minutes that my fat teacher can't even teach me in 70 minutes

  • I FINALLY GET IT =D

  • Easy peasy.

  • omg i have a test in this tomorrow thank you!!!!!!!! i havent studyd.... dont know why!!

  • You just thaught me everything I needed to know in 10 minutes then what my teacher did in 2 weeks

  • i want you quick and dirty!

  • you're satisfying MY equation ;)

  • You should be algebra teacher cause i can actually understand you

  • why didnt i get this in school

  • thanks a lot man. ignore all those selfish comments out there who are so ungrateful for all the time and your career that you have lost trying to help people learn. i hope that something good happens to you in your life for helping all these people out here and always know that there are thousands of people like me who are not selfish and really enjoy your teaching and time. thanks a million man and am actually getting a better job thanks to you. keep it up with the great and amazing videos!

  • DANG I WACHED THIS VIDEO, AND I UNDERSTOOD IT, WOW, ITS DIFFERENT THEN FROM SCHOOL, I DONT LEARN ANYTHING FROM MY ALGEBRA TEACHER, DANG

  • thank you SO MUCH

  • wow you taught me a lesson a zillion times better than my math teacher did in 85 minutes..... then again that was at 7:20 am...

  • its clear i get it.

  • .org

  • this guy is great. if you want more go to khanacademy

  • WIN<3

  • dude your awsome i actually get this, i just herd you on the news so i decided to check you out and i understand you. i suck at math so 8th grade is hard right now. i wish i can be as successful as you.

  • love this khanacademy..does a great job. i'm a physician and i wish i had learned from these videos would have saved me a ton of time

  • thanks a lot this was very difficult for me 

  • hey Please reply

    whats the use of graphing lines in real life?

    please reply pls

  • @ilifeform lol nothing really...just useless junk our teachers want to tell i us? :D or navigation. i dont know.

  • i dont get these graphing problems sometimes...so you just pick any number you want??

  • thanks a lot u been a big help so far for teaching us the basics

  • im in sec 2 learning about this and its 4 college

  • oh my god, you rock, i have been struggling with other videos, thanks for clearing a lot up for me!

  • sometimes I feel I have some brain problem , or I feel im slow and need help .

    But Im sure I can do this.

    Remember its never too late... so do it NOW . Or waste another year.

  • im 28 years old ,,, and like some of you here , I messed up my past, but I have returned.

    Im currently doing Grade 10 math , then 11 then 12 advanced, then Uni , then I will make over 60k a year . I can buy my dream car and motorcycle

  • Yeah)) I'm agree )) He is excelent ))

  • KHAN ACADEMY IS HARSH AND UNFORGIVING

    (That's why it has the most awesome person as it's creator)

  • so much better than my maths teacher!

  • You taught me a whole lesson in 10 minutes better than my teacher did in 40 minutes

  • I'm passing this on to my little cousin.

  • this is going to help me a lot in math now im a really good at math thanks

  • just had algebra EOC today.,..in middle school.. god i wish i had watched these videos like a week ago :(. Oh well. I guess I'll just retake it in high school.

  • Boy!!I could have had you as a teacher or tutor when I was in school.always been bad at math.I had to repeat algebra twice in high school & flunked geometry..I agree your an amazing teacher.keep up the great work.

  • i love math after khanacademy !!!.. Sal your such an AMAZING teacher ive never been so succes ful before !!

  • i love math!!

  • i can understand better with you

  • I hate graphing lines

  • i like how he talks slow.:) easy to understand

  • @deppressed1 lol im originally from Hawaii and was in Japan. But, Now i'm back in hawaii haha guess i should change that.

  • @deppressed1 lmao how did you know i was asian?

  • @deppressed1 the badges and achievements system they had also made it seem like a video game which ultimately made me more interested in challenging myself and breaking my records. so yeah, khan academy will most likely make math fun :D

    it did for me, and that was just a miracle.

  • @deppressed1 math was my most hated subject. i paid no attention in class cause i didnt want to disrupt the class about anything i didnt understand, thus leaving me clueless as to how things in algebra worked. i barely passed my math courses in high school. but, after completing the first linear equations video and doing the practice sets, i got hooked. i became addicted to math. my room doesnt have working light so i went on a problem solving streak with just the light from my computer screen.

  • I just broke down crying because I have a unit test tomorrow. And then I found this. My math teacher can't teach ANYTHING. Thank you SO much

  • has anyone ever noticed that Khan's page is the ONLY channel on YT to never be

    trolled? it's like even degenerates respect what he's doing.

  • how do we know that the slope is going up or down just by looking at it? It could be either way

  • Your 0 looks like a 1. You really should use a dry erase board

  • for real manu. iv been going over this the last few days. and iv learned more from him that i learned all trhough highschool

  • man your a life saver i got grad exam in 2 weeks.

  • GO TO SCHOOL AND APPLY AS A MATH TEACHER 

  • My herooooooo

  • YAY i get it

  • even though ur lines are crooked, ur lesson was straight thank u

  • you're good :-)

  • I love you man!

  • epic instructor..ive never understood any of this until now

  • Mr.Salman Khan can please explain through your video about scatter plots and graphs

  • Because of this I will be ace my quiz tommorw and bring my A- to an A making my first GPA score 4.00. Khan changes lives lol

  • what if for eg the equashion is 1= 2Y - 3x?

  • Thank you so much for helping me study over the summer and get out of high

    school 3 years early! I've got 2 more years of high school and I'm 13 =D

  • You are a great teacher. If I had you for math I don't think I would have this math phobia I've carried most of my life. Thank you

  • thumbs up if you believe this guy deserves the nobel prize !

  • Graphs are the one thing that I never understood at all. Thank you so much for your great videos and just being an awesome dude.

  • Thank You so much Mr.Khan , all these videos really helped me throughout the school year.

  • Thanks! Really helpful. I like how you sound "real" and are cool with your mistakes. My math teacher was a robot.

  • quick story... i am so close to being kicked out of my school because of my math skills (which are very low) so i am going through and learning what i can... and your video is helping me save my academic future! thanks your a life saver

  • truly amazing. now im going to pass my algebra final tomorrow. i love the internet!

  • good

  • Mr Khan, you the man! Working towards a UK A-level maths and your vids help me immensely.

  • YOU FTW SALMAN KHAN SIR!!

  • I understood u better Dan my teacher but how did you get 3 when you did 1/2x2+2

  • @sexyM13707 break it up.... remember PEMDAS (Please Excuse My Dear Aunt Sally) (Parantheses, Exponents, Multiply, Divide, Addition, Subtraction)

    that will be your order of operations... so if you have 1/2 x 2 + 2

    you first go: (1/2 x 2) + 2

    that equals: 1 + 2

    therefor: 3

    hope this helped:)

  • u are the greatest thanks man!!!

  • oh i get it now

  • o.m.f.g. how old r u?!

    ur better than my math teacher and i actually get this!

    i cant wait to ace my test tomorrow and get un-grounded(: thnx!

  • 2(-1)+1=2 not -1 because -1x-1=1 not -1

  • yah, they're rite

  • @anyvydeos

    in multiplication a negative [-] times a positive [+] will always give you a negative answer.

    same signs [-] x [-] or [+] x [+] will give you a positive.

    so 2(-1)+1

    =.......-2+1

    =.......-1

    Just using the dots to try to align it here. I hope you get the demonstration I'm showing you.

  • Thanks I understand now

  • @anyvydeos

    You're welcome!

  • you help so much. thanks!!(:

  • slope intercept form>function tables.

  • @Superdeduper739 Standard form > slope intercept form

  • Thanks so much man. I've got my finals coming up soon.

  • MATEEE EXCELLENT VIDEO !!!

  • this helped alot thx!

  • thank you !!!!!!!!

  • this man is a really good teacher

  • thank you so musch

  • thank u so much u just helped me wit my homework!! awesome:D

  • I never saw it like this, heh.

    Math's awesome.

  • your my hero

  • on the x,y chart thingy once u find the pattern u dont need to keep adding the x to the x on the equation

  • 6:00 Wait! you added all the numbers to 5 how come over there, you didn't add it to 5? You just did -3x1 but didnt add it to 5 this time? I DON'T GET IT?!

  • Thank's man!!

  • The video is a little messy, but you're at least 100 times better at me at drawing on the computer, how do you draw so neatly on the computer?

  • dude even i have to review this because i learn so much i dont have time to go back and review everything so i have to try to keep everything i know or learned there for me to remember and by these guys posting this video up it makes things so much easier

    8-)

  • dude these guys make math so much easier to learn. y cant teachers in schools be this cool. Thnx guys.

  • Well a lot of these college students are studying subjects that don't require any knowledge of math. The last time they did all of this was when they were your age. There is nothing wrong with needing to review.

  • College*

  • oops. i knew that, typo.

  • Thanks so much for helping so many of us.

    I've learned so much more from you than my college math classes.your vids are a great help to us.

    Please continue to post them.

  • I'm very good finding the X and Y intercepts as well as slope, its graphing it in actuality that's a different story :(

  • Thank you so much! I have learned more from your videos than my four hour college math course. May you have continued success.

    bless you,

  • u math seem so easy..and intersting..may allah bless u

  • In 8:10, you said (0,5) and wrote (1,5), but thanks, you are really helping

  • THANK YOU!!!!!!!!!!!!!!! Seriously , this has completely helped me.

  • ok i was ok in algebra but i can say still that the way you just explained slope and y intercepts in that 6 seconds was better than my algebra teacher over 3 1hour classes

  • ain dat good at algebra but ta anywayz.

  • l've never wanted to study math this unsolved problem of my life and l know if l solve this l will solve every math problem but l didnt do it worse it killed my furture by by happyness hello lonlyness

    :(

  • thank you god bless!!!

  • I've never been very successful with algebra, I know this is pretty basic, but I have almost no comprehension of mathematics. I was honestly going to be kicked out of school for being non-productive, I was ready to be thrown out, but now I get this. Thank you so much...

  • @theemortalgoat youtube usually teaches us best :D lol

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