Mike DeVor

Mike DeVor

Algebra Teacher

PEMDAS

PEMDAS

How to do a Hashi Puzzle

How to do a Hashi Puzzle

Factoring Quadratic Trinomials

Factoring Quadratic Trinomials

Deriving the Quadratic Formula

Deriving the Quadratic Formula

Using Point-Slope Equation

Using Point-Slope Equation

Absolute-Value Inequalities

Absolute-Value Inequalities

Solving Basic Word Problems

Solving Basic Word Problems

Пікірлер

  • @MountainMomma1980
    @MountainMomma198010 жыл бұрын

    How did you do #6? I don't understand how you got 6k out of 3(1-2k). I thought when you cleaned up both side it would look like -2k=3(-1k)....how did you get 6k?

  • @MikaMika2009
    @MikaMika200910 жыл бұрын

    thank you sooo much!!

  • @jackiebell4288
    @jackiebell428810 жыл бұрын

    thanks

  • @camisesi
    @camisesi10 жыл бұрын

    Great video..... Helped a lot

  • @chalibabes
    @chalibabes10 жыл бұрын

    thank you soooo much i love you god bless,, i have a test tommorow about this and i know ima do great thanks again

  • @ScenesWithDean
    @ScenesWithDean10 жыл бұрын

    You have no idea how much you helped me! Thank you so much!!!

  • @dcarrera6091
    @dcarrera609110 жыл бұрын

    great video, it helped me out a lot

  • @jennysantos6774
    @jennysantos677410 жыл бұрын

    Thank you , very helpful.

  • @InfernoFlame99
    @InfernoFlame9910 жыл бұрын

    Thank you a million times,you really helped me with my test!

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    Sure.

  • @rootsmanpierre
    @rootsmanpierre11 жыл бұрын

    Could you do a video on the second question of mixture. Thank you so much, you're the best.

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    Yes! I was in a rush - thanks for pointing it out! Mr. D.

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    You're correct, thanks.

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    Thanks, I appreciate it!

  • @DeathMustard
    @DeathMustard11 жыл бұрын

    hydroCHLORIC acid would not burn through concrete. you are probably thinking of hydroFLOURIC acid.

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    The 12 problems that are posted on my website. The ones at the end of the video was homework from last Thursday.

  • @rachelshockley3762
    @rachelshockley376211 жыл бұрын

    Do we do the problems from the textbook, the six problems from the video, or both?

  • @rachelshockley3762
    @rachelshockley376211 жыл бұрын

    Never mind!

  • @rachelshockley3762
    @rachelshockley376211 жыл бұрын

    For the sixth problem, how did you get from 6/5 to 4/5?

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    Sorry for the late reply, but you don't have to take notes just do the 4 example problems (pause button problems) and the 4 at the end of the video.

  • @nicolebruns6412
    @nicolebruns641211 жыл бұрын

    The sub was really mean in our period.

  • @nicolebruns6412
    @nicolebruns641211 жыл бұрын

    The sub was really mean in our period.

  • @tacosareyummy1000
    @tacosareyummy100011 жыл бұрын

    Should we be taking notes?

  • @YourMyMombyKen
    @YourMyMombyKen11 жыл бұрын

    Jack so desparate in seeing FPS games.

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    Wait..what? There are people who dislike math????

  • @stephentamas5088
    @stephentamas508811 жыл бұрын

    where's number 6?

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    Clearing the fraction is a very useful technique to make many problems much easier. but it is not the only way to do problems with fraction. The way you did #3 is perfectly fine and just as easy as clearing the fraction. I'm glad that you have the skill to do a problem more than one way - way to go!

  • @MariahBaxter
    @MariahBaxter11 жыл бұрын

    On problem 3, out of habit I subtracted the 5 and multiplied by -2, instead of clearing the fraction. I still got the same answer, but should I clear the fraction instead?

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    Thanks!

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    The perimeter is 44. Remember, you add all the sides of the rectangle (i.e., W+W+L+L) to get the perimeter.

  • @Gh4LVr
    @Gh4LVr11 жыл бұрын

    in #3 it says two less than twice the width do you mean two times less than twice the width or two meters less than twice the width?

  • @ventus224
    @ventus22411 жыл бұрын

    YAY I'm learning!!!!!!!!! :D

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    No. The other two problems are on the video (#3 and4) at the end. Just pause and write them down.

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    2 example problems (please go through the steps with the video) and 2 problems I want you to try on your own. We'll be going over several problems in class tomorrow.

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    ....when you give it a hard work-out, it hurts. (I'm not a great typist)

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    Your brain is like a muscle - when you give it a hard work-it out, it hurts. The more you work out a muscle, the bigger and stronger it gets; just like your brain.

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    remember that the perimeter is 44, so you need to define your variable (one of the sides) and find the relationship to the other side and go from there. We'll be working this out in class tomorrow. #4 also.

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    Not until next week.

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    No, you don't have to draw a diagram - but it's a good habit to get into as the problems get harder.

  • @sassymedik
    @sassymedik11 жыл бұрын

    hey mr. devor! for number 3 i can not figure it out! i have tried just about everything, but obviously i havent. lol. what should the equation be to start the problem?

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    Yes, just the 4. I'll be checking - and going over - #3 and 4.

  • @MultiCODTRICKs
    @MultiCODTRICKs11 жыл бұрын

    whens the test?

  • @SC2HUSKYFAN1
    @SC2HUSKYFAN111 жыл бұрын

    i thought there was 6 problems

  • @SC2HUSKYFAN1
    @SC2HUSKYFAN111 жыл бұрын

    is there just 4 problems?

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    repeat after me: I Loooooove word problems, I Looooove word problems.......

  • @gamingpaintballBros
    @gamingpaintballBros11 жыл бұрын

    i Have ps3 :D

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    You want to get the absolute value bars alone. In #4 it was 4 times the Abs Value expression - so you needed to divide to get the abs val alone. In #5, it was the abs value minus 3, so you need to add 3 to get the abs value alone. Good question - I'll do a couple of examples in class tomorrow.

  • @MariahBaxter
    @MariahBaxter11 жыл бұрын

    quick question--how do you know when to divide (problem 4) versus adding/subtracting (problem 5)

  • @MathTeacherMike
    @MathTeacherMike11 жыл бұрын

    yes. do the 6 example problems (i.e. pause...try the problem...un-pause and check your answer) in a box 6 format.

  • @gamingpaintballBros
    @gamingpaintballBros11 жыл бұрын

    Hi Mr Devor