MCR3U - Simplifying Rational Expressions Part 1 - Grade 11 Functions

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  • Опубліковано 22 жов 2024

КОМЕНТАРІ • 31

  • @AllThingsMathematics
    @AllThingsMathematics  4 роки тому +22

    At 5:42, the restriction should be x can't be -3!!

    • @ChiragSonne
      @ChiragSonne 11 місяців тому

      @AllThingsMathematics I do understand now!

  • @matiass501
    @matiass501 3 роки тому +7

    you teach well and have a great site. you should definitely cover functions & adv function in its entirety if you haven't already.

  • @QuangNguyen-dw9je
    @QuangNguyen-dw9je 2 роки тому +24

    6:38 Would it work to take out 3x from the numerator instead of only taking out x?

    • @allensnea9335
      @allensnea9335 Рік тому +1

      True but it works out to be the same answer tho.

  • @medotedo8410
    @medotedo8410 3 роки тому +8

    In problem 3 why only take x but not 3x ? with 3x it works it will give us -------> 3x (3x^2 - 4x + 2)
    can I use your method as an alternative to polynomial long division ?

  • @serenaeffraim5455
    @serenaeffraim5455 5 років тому +32

    why can you not take out 3x on the last rational expression question in the numerator?

  • @MA-bz2fk
    @MA-bz2fk 3 роки тому +2

    Thanks for the tips, you probably saved me

  • @RaffaelloLorenzusSayde
    @RaffaelloLorenzusSayde 4 роки тому +4

    Do you factor out Least Common Multiple (LCM) or Greatest Common Factor (GCF)?

  • @bouazabachir4286
    @bouazabachir4286 8 місяців тому

    Thanks a lot professor for your videos. I follow you from Algeria.

  • @tanyakotwall6446
    @tanyakotwall6446 4 роки тому +2

    Hi. For the second question isn't the restriction x can not equal -3, instead of positive 3

    • @justiceb9766
      @justiceb9766 4 роки тому +1

      He made a writing error but you can hear him say negative 3.

    • @tanyakotwall6446
      @tanyakotwall6446 4 роки тому

      @@justiceb9766 thanks

  • @3aliushiaboaziz983
    @3aliushiaboaziz983 4 роки тому +1

    in the restriction of the second one x deosnot eqaul to - 3 not to 3

    • @AllThingsMathematics
      @AllThingsMathematics  4 роки тому +1

      ughhhhhh lolll........yea I screwed up, thanks for pointing it out!

  • @Heldanab
    @Heldanab 5 років тому +1

    You are amazing 👏

  • @imanhewamanage731
    @imanhewamanage731 3 роки тому +1

    the answer for 3 is, 3(3x^2-4x+2)/2

  • @lovesickgirl-b3s
    @lovesickgirl-b3s 2 роки тому +2

    wait i don't understand how you got that at 4:14

    • @ChiragSonne
      @ChiragSonne 11 місяців тому

      Maybe 2x and 5x is same variables then you had to simplify fractions! 4:15.

  • @medotedo8410
    @medotedo8410 3 роки тому

    I have another question is the quadratic polynomial roots are imaginary or complex roots. Is their another method to find the roots instead of Quadratic formula ?
    For example, what are the roots of this quadratic polynomial: 3x^2 - 4x + 2 ?

  • @bookert.w2022
    @bookert.w2022 3 роки тому

    You got the #3 wrong. when you factor the numerator is 3x (3x^2-4x+2)/2x

    • @josephuwayezu4115
      @josephuwayezu4115 2 роки тому +1

      No, he didn't get it wrong, he got it right.... whether you factor out 3x, or just 3, or just x, whether you partition the trinomial into 9x^3/2x - 12x^2/2x + 6x/2x and simplify, you will get the SAME RESULT. You see, in math there are many different ways to solving problems and arriving to the same answer. Nonetheless, no matter how you solve the answer, if you follow the steps correctly you will get the same results... that's what makes math so reliable.

  • @Ellabanzzzzzz
    @Ellabanzzzzzz 3 роки тому +2

    Can anyone else just not focus on the what he’s trying to teach? Orrrr..😭😭

  • @peadarmacnevin47
    @peadarmacnevin47 3 роки тому

    wait i am a grade 7 and how am i studying this already

    • @mehakverma7043
      @mehakverma7043 3 роки тому

      dude I'm an 11th grader studying for a test on rational expressions for tomorrow and I don't understand anything. Take a chill pill and enjoy the 7th grade. What are you learning in class right now? Integers? Damn kid, you're doing better than I am.

    • @peadarmacnevin47
      @peadarmacnevin47 3 роки тому

      @@mehakverma7043 im asian.

    • @mehakverma7043
      @mehakverma7043 3 роки тому

      @@peadarmacnevin47 ah, that changes everything. Because in asian countries like china, india, korea, and japan, mathematics is taken every semester of every year, which is why you are ahead. I am from Canada so we only have math once a year.

    • @peadarmacnevin47
      @peadarmacnevin47 3 роки тому

      @@mehakverma7043 im not from those countries but ok

    • @mehakverma7043
      @mehakverma7043 3 роки тому

      @@peadarmacnevin47 I named those countries because I am not sure about the education system in other asian countries.