Graph slant asymptotes

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  • เผยแพร่เมื่อ 27 ก.ย. 2012
  • 👉 Learn how to graph a rational function. To graph a rational function, we first find the vertical and horizontal or slant asymptotes and the x and y-intercepts. After finding the asymptotes and the intercepts, we graph the values and then select some random points usually at each side of the asymptotes and the intercepts and graph the points, this enables us to identify the behavior of the graph and thus enable us to graph the function.
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ความคิดเห็น • 45

  • @nicolejackson525
    @nicolejackson525 4 ปีที่แล้ว +31

    I wish I had found your channel 2 months ago. My grade in pre-calc would be vastly different. Your videos make so much sense compared to my teacher's recordings for our class. Thank you for doing this hopefully this turns my grades around from midterm on!

  • @maxmorningstar5215
    @maxmorningstar5215 2 ปีที่แล้ว +13

    I hope you know that even years after making this video, and all of your videos you are still saving grades and helping calm stress. Thank you so much you’re a great teacher!!!

    • @brianmclogan
      @brianmclogan  2 ปีที่แล้ว +5

      You are very welcome so happy I could help

  • @bridgettestarrmayse
    @bridgettestarrmayse 5 ปีที่แล้ว +71

    These videos literally save my life (and my math grade)

    • @brianmclogan
      @brianmclogan  5 ปีที่แล้ว +10

      Happy to be there for you

  • @arturstarak3170
    @arturstarak3170 5 ปีที่แล้ว +13

    For real, you're the best sir! I watch your videos prior to tests and I'm able to understand more thanks to you, than from reading text book. Thank you so much

  • @cameronlee7055
    @cameronlee7055 5 ปีที่แล้ว +27

    If I had this guy as my teacher I'd have a 99 and I would enjoy math lol

  • @melaniubeysiri776
    @melaniubeysiri776 5 ปีที่แล้ว +14

    My finals are in 2 weeks and this was very helpful! thank you sir

  • @micahhoff6275
    @micahhoff6275 5 ปีที่แล้ว +28

    This dude’s brain is so big. THANK YOU BRO

    • @29957fred
      @29957fred 4 ปีที่แล้ว

      wonder what else is big ;)

    • @mr.pepper9242
      @mr.pepper9242 ปีที่แล้ว

      are you guys still alive

  • @GrabASpriteB
    @GrabASpriteB 9 หลายเดือนก่อน

    I have a college level pre-cal quiz today and you've been saving me since highscool. Thank you!

  • @yowreesesame1803
    @yowreesesame1803 ปีที่แล้ว

    Thanks for your vids Mr. Mclogan! I've understand everything pretty much about graphing rational functions. Really detailed and clear for me. This would help my upcoming Finals exam.

  • @mathildamickey1888
    @mathildamickey1888 5 ปีที่แล้ว +2

    Can you use the factored version of the term or does it have to be the unfactored version

  • @dalatinobrother_1688
    @dalatinobrother_1688 3 ปีที่แล้ว

    I've been saved, I should buy his merch for gratitude

  • @khaled-ig1hz
    @khaled-ig1hz 3 ปีที่แล้ว +3

    Hi sir I get how to work out the asymptote s and everything I just don't get how to draw the graph at the end once I did all the working what shape is the graph stuff please help

  • @Miss_Abby8
    @Miss_Abby8 ปีที่แล้ว

    I have a midterm exam today and the teachers’ one hour long recording was so confusing. I’ve learned so much with your videos and I’m now confident Thank you so much.

  • @tlhologelomagowa5490
    @tlhologelomagowa5490 6 ปีที่แล้ว +2

    you the best..i have an exam tomorrw and ama tyk de whole fifteen marks all thanks to you

    • @brianmclogan
      @brianmclogan  6 ปีที่แล้ว

      you are very welcome! happy to be there for you

  • @johnnypetrow4187
    @johnnypetrow4187 4 ปีที่แล้ว +1

    I like your algebra videos but have you taught matrices?

  • @heidysval4808
    @heidysval4808 4 หลายเดือนก่อน

    you've literally been my teacher this entire semester

  • @hidden_fear4166
    @hidden_fear4166 3 ปีที่แล้ว

    how do you graph a slanted asymptote of 5x -2 :'( I can't find any videos showing any equations similar that is graphed
    ughhhh

  • @mariojr3390
    @mariojr3390 5 ปีที่แล้ว +2

    When finding the X-int , you used the quadratic formula and got an imaginary number, However cant you factor the quadratic and end up with (x-1)(x-1) and have the x intercept be +1 ?

    • @josephnguyen3945
      @josephnguyen3945 5 ปีที่แล้ว +1

      Factoring the quadratic does not give you (x-1)(x-1). (x-1)(x-1) = x^2 - 2x + 1, which is not the quadratic we are trying to factor. It is impossible to factor the quadratic using conventional methods, which is why he resorted to using the quadratic formula(the most powerful, albeit tedious, method for solving quadratics).

  • @alicia7121
    @alicia7121 5 ปีที่แล้ว +2

    How can you tell what the range is of this function?

  • @user-zg5ee6ko5p
    @user-zg5ee6ko5p ปีที่แล้ว +1

    عاش الاخو

  • @aliciabenzon4658
    @aliciabenzon4658 6 ปีที่แล้ว +2

    How about if your slant asymptote is y=x+2?? How are u goin to graph it?

    • @brianmclogan
      @brianmclogan  6 ปีที่แล้ว +4

      just like you would graph the line y=x+2

    • @aliciabenzon4658
      @aliciabenzon4658 6 ปีที่แล้ว

      What about the range of this function?

    • @brianmclogan
      @brianmclogan  6 ปีที่แล้ว

      if you graph it from desmos you can see the range is All Real numbers

  • @vantran-wz7ps
    @vantran-wz7ps 5 ปีที่แล้ว +2

    Test today😢

  • @cesarsilguero5483
    @cesarsilguero5483 2 ปีที่แล้ว

    How did he know in 8:22 that it wasn't factorable by factoring with rational numbers? He made it seem as if it was common knowledge or as if there was a technique to know.

  • @hypnodisckit7015
    @hypnodisckit7015 4 ปีที่แล้ว +3

    7:40 he cross multiplied wrong

    • @isaacb3850
      @isaacb3850 4 ปีที่แล้ว

      MR.GOGETA he corrected himself noob

  • @hillarylee3977
    @hillarylee3977 5 ปีที่แล้ว +1

    u lose weight in 2 years

  • @xwyle_4443
    @xwyle_4443 2 ปีที่แล้ว +1

    STEM pa mga tanga

  • @tmwbatman1160
    @tmwbatman1160 4 ปีที่แล้ว +1

    8:16
    Write a better script.
    Make a new video.

    • @isaacb3850
      @isaacb3850 4 ปีที่แล้ว

      Tmw Batman no it’s good

    • @tmwbatman1160
      @tmwbatman1160 4 ปีที่แล้ว

      Isaac B how so? I have a Masters degree in secondary math Ed. The amount of errors in some of Brian’s videos is amazing. At 10:10 a student asks about solving for X. His response is wrong. I’m sure this dude is nice and knowledgeable. He just needs to edit out the errors and focus on attention to detail. His audience is susceptible to partial or inaccurate learning with so many mistakes.

    • @isaacb3850
      @isaacb3850 4 ปีที่แล้ว +2

      Tmw Batman okay, I understand. I thought you were just being picky, and calling him out just because he made mistakes, even if he did correct some of them. But if he did make some mistakes that were never corrected then that makes sense.
      Also he cant entirely make a script because this is just recorded while he is teaching in a class and sometimes he doesn’t know what the students are going to ask.