Standard Form to Vertex Form Without Completing The Square Method Algebra 2

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This algebra 2 and precalculus video tutorial explains how to convert a quadratic equation from standard form to vertex form with and without using the completing the square method by using another technique. That is, by using the x=-b/2a equation / formula to find the x coordinate of the vertex followed by the y-coordinate. The x and y coordinates of the vertex are known as h and k represented in the form v(h,k) which can be placed in the vertex equation y=a(x-h)^2+k starting from the standard form quadratic equation y=ax^2+bx+c. This video contains plenty of examples and practice problems for you to work on. This video also contain examples of converting standard form quadratic function into vertex form with fractions.
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1 окт 2024

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Комментарии : 200

@TheOrganicChemistryTutor 8 месяцев назад

Final Exams and Video Playlists: www.video-tutor.net/

@occulus4368 4 года назад

Who else forgot how to do this during quarrentine?

@haleyworsham1492 4 года назад

Peyton H I had to teach this to myself bc my teacher didn’t

@hiyorioh 4 года назад

Never knew how 😰

@tkaroadt 4 года назад

@roxyp7241 4 года назад

taking calc nxt yr still don't know precalc tho

@gabrieljohn8208 4 года назад

@circadiana 4 года назад

im literally just straight in the middle of a test rn

@talafatemi 3 года назад

STOP SAME SHHH

@matiasgreene8437 3 года назад

Did u pass?

@t-k4560 3 года назад

6 month check, how did it go?

@circadiana 3 года назад

@@t-k4560 bold of you to assume I remember 💀

@miettep1226 3 года назад

@@circadiana u better check the grade i'm invested in this

@shaypatel4743 5 лет назад

My man just got me prepped for my Algebra II test😂

@chazcuber4066 5 лет назад

mine is tomorrow hahaha wish me luck

@shaypatel4743 5 лет назад

ChazCuber Before ur test start, good luck my dude!!💯

@chazcuber4066 5 лет назад

@@shaypatel4743 thanks man

@THATSMONTE 4 года назад

What’d u get I got one too

@chazcuber4066 4 года назад

@@THATSMONTE i got like a 63, really bad on my part i usually do better than that.

@36ixtyisaac 7 лет назад

Finally everyone else takes to long to explain and says confusing things

@Pepstar3k 6 лет назад

Lel

@Whitechai Год назад

I audibly gasped when I completed the square with the second method and it was exactly the same as the first!

@kinghumble9617 4 года назад

Who else tryna study last minute👀

@phaswamaloma 3 года назад

When I become successful, it'd be a sin not to give back to you mann!!! Like anything you want!!😭😭😭 like this guy has been with me since Grade 10 and soon I'll be a freshman😭 with distinctions!!

@matiasgreene8437 3 года назад

Ik bruh same this dude is literally my teacher I don't pay attention in class but its fine cause this dude always comes in clutch

@anetpet 6 лет назад

this is even better than the khan acadamy video. helped me lots in the first 2:26 min

@Chuchu2709 4 года назад

The Best & clearest & simplest explanation & demo I've seen so far. Thank you mate! You are a genius!

@nadimitani8774 2 года назад

Thank you for helping thousands of individuals out there. Really appreciate it!

@ashleybrintzenhofe8443 6 лет назад

I appreciate how clearly you explain things. Thank You.

@phaswamaloma 3 года назад

Maths and Physics is nothing when you have this guy with you!!!😭🤞🏽🤞🏽

@Operator429 Год назад

I just needed this bc my damn math teacher is a fuctard and didn’t teach us

@gavinpikky 4 года назад

thank you, my teacher completely left this part out of the lesson

@prodhouston579 4 года назад

Quarantine really got me stressin

@dynamics3261 4 года назад

Lmao thank you my hw question was on here :) and now I know how to do it.

@LeeBramich 3 года назад

Idk if I’m just stupid but this is so much easier to understand then my when my maths teacher explained it

@5quirr31 Год назад

Love my teacher looking me dead in the eye saying it's our responsibility to teach ourselves this

@itsmikai_boi8832 5 лет назад

Wait is this how u determine the coordinates of h and k?

@carolinedang250 5 лет назад

Well when u put it in vertex form u can see the coordinates in the equation. So yes.

@chrono1717 3 года назад

I have a question, so on 12:48 why do we multiply by 2/2 and 12/12?

@mrk.8448 Год назад

to make the denominator same

@madhuniveditha1144 3 года назад

4:40 Completing the square method

@niyahwebb49 3 года назад

I am so shocked to find not only one, but TWO new ways to complete the square. Wow.

@swiftyhackz951 3 года назад

In 3:35 how did you get... y = 3² - 6 (3) - 7 ..?

@ItsMe-lt6up 3 года назад

You can use c-ap^2 formula to find the y value 3:33

@s.menachery 6 лет назад

The second method is SOO much better

@danielgg8149 6 лет назад

nah, complete the square gang :triumph emoji:

@sparksthedaytrader9606 5 лет назад

@@danielgg8149 completing the square is for tik tok users

@acapellaseto 4 года назад

S. Menachery I hate doing fractions

@cesarvillafranca7096 7 лет назад

HELPFULLL REALLYYY!! GLAD YOU SHARED YOUR KNOWLEDGE! :))))

@divinesison6154 4 года назад

THANKYOU SOOO MUUUCH💖 I understand this more than module HAHAHAHA

@SomethingClever_ 3 года назад

Thank you for teaching me throughout my college years. Professors get paid to teach, but they don’t do that great...

@AmoebaWasTaken 3 года назад

Oh my god thank you so much! I was absent yesterday, and nobody understood how to do this.

@gil1424 4 года назад

Your videos are really easy to understand thank you

@meowzic 6 лет назад

I love watching your videos, especially before sleep to refresh on what I'm learning in class. It's very relaxing compared with Sal from Khan Academy.

@williamhu9567 2 года назад

Did you know that 1) thinking about something before you sleep makes you remember it better/the synapses snd connections in your brain strengthen 2) blue light from screens reduces melatonin which impedes sleep

@knowyourstrengthsaj4620 16 дней назад

I tried this meathod using y=2x^2-12x+17 and got 2(x-6)^2-19 as my answer after following your instructions. This answer is incorrect. is there restrictions on this that i missed? i followed every step and even went to my teacher for this.

@alihj4189 3 года назад

very detailed and clear explanation, thank you so much!

@amay7457 2 года назад

Thank you.. I was able to help my kid with his homework!

@ragipodduvinur 4 года назад

I don’t understand what this formula is for😩

@DANIELDALLAS_MATHs 4 года назад

Hi! Vertex form for the quadratic functions is just a convenient form in order to define Vertex coordinates of the function from scratch. However the main trick is how you convert Standard form ax^2+bx+c into the Vertex form. So if U need more explanation you can watch it here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-RJ2PcKH23ko.html

@sam-ws7qc 4 года назад

thank god for this man

@jjsea206 8 месяцев назад

I'm sure someone has pointed it out, but there's a mistake where you say "so H is -16". You meant "K"

@eunoiaamaranthine 7 месяцев назад

This helped me a lot! Thanks for always making these videos, it helps students who are struggling in math. I tend to get bored easily when i watch these kinds of things but u explain really well. I've been struggling a lot these past few weeks because i missed a lot of classes and i can't seem to catch up but ur video really helped me understand the topic I don't quite understand. Thank u very much! Hope you keep making these amazing videos 😍🥰🫶🏻

@adrisoa Год назад

WOAH I DIDNT KNOW THERE WAS A QUICKER WAY TO CONVERT TO VERTEX. I came here to learn how to convert from standard to vertex in general, i didn’t know there was multiple ways to do this

@maddimoe 4 месяца назад

my state test is tomorrow and im cramming the day before at 10:44 pm am i cooked?

@mightyash6405 2 года назад

I have finals tomorrow 😃 thank you

@peterclarencemanapsal1645 2 года назад

I don't get it 😂

@rawaamunner2799 Год назад

where did you get the -9 from. The 3 squared if so why is it negative?

@calebyoung8179 5 лет назад

if H is a negative does that change the sign in (x-h) to a positive?

@ary8890 5 лет назад

Bc it has to be the opposite sign

@raweenasif9139 5 лет назад

yes because two negatives equal an opposite x-(-h) is the same as x+h

@soulja4373 3 года назад

yes

@yukihirasoma768 7 лет назад

wait how did 9 become negative 9? in the first example

@cesarvillafranca7096 7 лет назад

yukihira soma you'll always copy the sign of the c when it comes to the right side

@sukritigupta803 5 лет назад

9 -18 = - 9

@Earl_Barte 3 года назад

What is the number of 1/2

@hahadakota4111 5 лет назад

Bro your a beast

@heatherwalter8008 3 года назад

Thank you for helping! your the first that actually explained that. This quarantine makes it hard to ask questions in class and truly understand the material. UNDERSTOOD! :)

@aaron9262 Год назад

If your confused in the first part of how to factor x^3 -6x + 3^2. Its because of the formula (a-b)^2 if you foil it or just remember what that would equal to, it would be a^2 - 2ab + b^2. x^3 - 2(3)x + 3^2 you can already tell that would be equivalent to (x-3)^2 by applying the perfect square formula.

@sylviamantsima4049 Год назад

Your videos help me alot. Ngiyabonga 🙏💕. Tomorrow I will be writing Maths test 3.

@chlxe2434 2 года назад

what if x^2 is negative? like, y=x^2+3x-4

@GetRuinedYT 7 лет назад

thanks for the help

@StormyLilac19 6 лет назад

On the last one, why did we multiply by two over two and twelve over twelve?! You didn’t explain why you did that 😫😭

@afm1846 3 года назад

teachers told us to do this but with long division ??!??!

@Keishaguitar 11 месяцев назад

Thanks I have a quiz tmr and had no idea how to do it tysm!!!!!!!

@freemium2529 3 года назад

F(x) =4x²+12x+8 Do this

@blueboi5808 2 года назад

@inkounderscore Год назад

i have a test on this in two minutes idk shit

@standard8275 4 года назад

holy, you a goddddd, helped in like 2 min

@kikila050 2 года назад

Not me watching this 10 minutes before a test...

@GSU_Panther_Nation Год назад

I find completing the square to be easier

@dhruvik1711 3 года назад

im literally doing grade 12 calc and forgot how to do this from grade 9

@srinuchandaka3959 4 года назад

Thank you!!

@Death_User666 7 лет назад

the legend!

@0magic0d88 4 года назад

How did you get 9 at the beginning?

@0magic0d88 3 года назад

@-Astro- GASp but this was 6 months ago... thanks?

@0magic0d88 3 года назад

@-Astro- you too!

@Bloodshed_Silence Год назад

You have taught me. Ore in 14 minutes than my algebra two teacher taught me in a month

@crabohato4954 Год назад

Gonna need these videos now then ever thx to the SATs coming up

@amberromero7766 3 года назад

Can someone explain to me on the -7 and - 9 part i cant get please help

@floramaypacatang2558 5 лет назад

At 9:07 why did you subtract the 3? I thought the same number should be ADDED on both side. Not subtract. Can you please enlighthen me. Thank youu! Your vids are of great help.

@raweenasif9139 5 лет назад

It's because he added 5/6 in the brackets on the right side (to make a perfect square), this means he has to add 3 time 5/6 on the left as well to balance it out. It has to be 3 times 5/6 because he added 5/6 in the brackets. but since we need all of our numbers an variables except y on the right, we will have to shift the 3 times 5/6 that was supposed to be added on the left to the right to the left by subtracting 3 times 5/6 on the right side. Hope this made sense!

@kiiinuo2729 Год назад

i have milestones next week tysm for this

@intropotato1684 4 года назад

is it possible to find the focus and directrix of a parabola using that form?

@mia-kl2nl 2 месяца назад

wow you absolutely just saved my life

@luisd0101 3 года назад

The circled 2 at 6:01 works here but what if that was a 4, or any other number, then you wouldn't be able to just copy that correct? Would you need to find what it multiplies into "c" and adds into "b"?

@alexwithdaminecraftboxers2010 Год назад

It’s just factoring trinomials. Watching a video on that First will help you understand. The X method for the trinomials will generally work most times but sometimes you’ll have to think outside the box

@maxellajaquihacalagman.8162 4 года назад

How you get that -9 in y=x²-6x+3²-7-9???

@kazekizureta6569 3 года назад

Thank You For Helping me Mr. You help us a lot...

@sandarav.busano6176 5 лет назад

Thank you it helps me alot

@itsnat7201 7 лет назад

in the last example when you're using the completing the square method, why would you multiply 5/3 by 1/2? Isn't it supposed to be (b/2)^2? Therefore making the completed square term (5/3/2)^2 and then you would do keep change flip and have 5/3*2/1????? Isn't that how you're supposed to do it?

@randywilton3466 6 лет назад

((5/3)(1/2))^2 is the same as (5/3/2)^2. any time you multiply by 1/2 its the same as dividing by 2. Same with multiplying by 1/3, its the same as dividing by 3. Any time you multiply by 1/x, its the same as dividing by x. Hope that helps if you didnt already figure that out 7 months ago lol