Converting a Quadratic Function From Standard Form to Vertex Form (Completing the Square)

Рет қаралды 58,424

Күн бұрын

Learn how to convert a quadratic function from standard form to vertex form by completing the square. We will go through 3 examples of increasing difficulty to help you learn this concept. We are taking the standard form of y= ax^2 + bx + c and transforming it to y=a(x-h)^2 + k.
Jump to Part of the Video:
0:27 Example 1: y=x^2 + 6x - 8
2:20 Example 2: y=2x^2 -8x + 1
4:48 Example 3: y= -(1/2)x^2 - 4 + 3
Related Videos to Help You Succeed!:
Solving Equations by Completing the Square
• Completing the Square ...
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Пікірлер: 49

@adnkir1234 11 ай бұрын

What I like most about your teaching method is that during the lesson you point out where students often make mistakes (and I do make these mistakes all the time) and it helps a lot to know. Thanks.

@MariosMathTutoring 11 ай бұрын

Thanks for pointing that out.

@scotteyfox 3 жыл бұрын

I always breath a sigh of relief when I'm stuck and come to KZfaq and see that you have a video of the subject that I'm looking for. Thank you again!

@mischievement 2 жыл бұрын

Well Mario, you've done it again.

@TheDemopan3 4 жыл бұрын

Damn, you saved me countless times. Thank you

@MariosMathTutoring 4 жыл бұрын

Glad to hear my videos are helping you!

@RP-lq7lq 2 жыл бұрын

I was stressing for a big test coming up and this was a big concept I did not get. Now I completely understand. Thanks!

@ethanyang539 2 жыл бұрын

Oh my goodness. This saved me again. Your videos never fail me. Thank you so much.

@colombianese1 2 жыл бұрын

Thank you Mario! You are a life saver! Literally. I have a better chance of passing my PTA gen-ed math class cuz of you!

@kamaraist Жыл бұрын

We are doing a Clep exam and your videos help me so much, I was failing my class but your videos truly do help me.

@maybe.6226 5 ай бұрын

This ones is very easy to understand, and makes the work more simpler.

@mariadelgado4393 2 жыл бұрын

Thank you, Mario. Great tricks!

@mirraaa.w 2 жыл бұрын

Thank you!!

@anchovies718 3 жыл бұрын

God bless you man You saved my math test

@ssmartyy 4 жыл бұрын

Thanks Mario keep up the good work.

@MariosMathTutoring 4 жыл бұрын

You’re welcome!

@jacobnlisha Жыл бұрын

Thank you from a parent working on Math homework at 11pm. This was the fix

@LeslieJeniece17 2 жыл бұрын

Thank you Mario!!!!!!

@flare3800 Жыл бұрын

may the gods bless you sir.

@HapiiSamii 6 ай бұрын

much appreciated

@notaflower1635 4 жыл бұрын

Who else ended here due to lockdown?

@TheLemonMasterYT Жыл бұрын

like my reply if you DIDNT

@ny7690 2 жыл бұрын

Excellent!

@Ahtohallan. 2 жыл бұрын

Happy Chinese new year

@aram5642 2 жыл бұрын

Mario is pure gold. This channel could as well be named noBsMath

@barsaa._. 2 жыл бұрын

LOVE YOU!!! MARIO OMFGG I MASTERED CONVERTING TO VERTEX FORM !!!!!!

@thechabala1993 4 жыл бұрын

Thanks Mario. I aced my Maths final exams.

@MariosMathTutoring 4 жыл бұрын

Awesome! Great job Chuma!

@yusufkaya1393 Жыл бұрын

hi sir can we also do it by instead of completing the square using x cordinate of the vertex formula plug it into function and get y cordinate of the vertex and plug those values into y=a(x-h)^2+k ???

@menix9514 2 жыл бұрын

At the end of example 3, what happened to the +16

@lux6290 3 жыл бұрын

what if the equation is x=-(y-4)(y-1)?

@rodinogamer5232 3 жыл бұрын

The people who put thumbs down liked this video so much they flipped their screen upside down to thumbs up again.

@alphaomega1374 3 жыл бұрын

excuse me sir is it ok if i write f(x) as Y in a quadratic function?

@lux6290 3 жыл бұрын

its the same thing

@calixjr3384 3 жыл бұрын

can i ask how if the question is f(x)=x2-2x-2 how do i factor (x2-2x)2 2 cannot be factored

@calixjr3384 3 жыл бұрын

i wish you reply to my comment

@ellastandley2719 4 жыл бұрын

I am stuck. My equation is f(x)=3x^2+18x+21 So have to divide 18 by 2 which gives me 9 and then I have to divide that by 2 and then square that but I get a decimal. I dont know how to go about that, if anyone could help me that would be great.

@MariosMathTutoring 4 жыл бұрын

Ella...first step subtract 21 to other side of equation. 2nd step factor out 3. 3rd step complete the square by taking half of 6 and squaring it. 4th step add not 9 but 27 to the other side (3 times 9)....hope that gets you started...