an equation of a parabola in vertex form and standard form

We will write an equation of a parabola in vertex form and standard form. Remember the vertex form of a parabola is y=a(x-h)^2+k and the standard form of a parabola is y=ax^2+bx+c.
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[@blackpenredpen]

For more algebra tutorials, please see my new channel "Just Algebra" 👉 bit.ly/just_algebra

[@rustymcqueen7563]

acctually helped a lot (my teacher cannot teach but you can)

[@jackitybakerbaker7348]

yes

[@lynetteboling6585]

You are a great teacher. This video helped me understand how to write an equation for a parabola and how to solve for a.

[@blackpenredpen]

Lynette Boling you're welcome 😊

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@@playgorund299 maybe he didn't

[@sansthedrummer]

This just shows me that I was way overthinking and overcomplicating this when I learned this in high school. Thank you for making this much more coherent and simple to understand!

[@carterbulbasaur]

Taught me more in 5 mins than my teacher did all unit. Thank you!

[@vickiegilman3972]

My teacher does it a different way, but I understand this way much more. Thank you sooo much!

[@worldwideally]

this was super helpful, thank you for teaching so clearly and explaining every step and for having so much enthusiasm! this was actual interesting to watch and learn from!

[@splashdropz9239]

Thanks a lot bro I have a test in parabolas and that stuff tomorrow morning so you were really helpful, thanks!

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This helped a lot thank you

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[@misterbaleize]

That's a great video - thank you; a clear and concise explanation!

[@jonbear2002]

Really helpful thank you! I was trying to find how to solve for "a" and finally found this video! It seemed really complicated but now it makes so much sense. Thank you again!!

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TYSM ILY (good teacher)

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YOU ARE A LIFE SAVER THANK YOU

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Just wanna say thanks you helped me so much

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thank you so much!!!! i was stressing last minute not knowing how to do this but now i do, so thankful!!

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Thanks, helps a lot man.

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Thank you so much! i was having trouble understanding this part of quadratics until i found this video.

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I’m using this 4 years after it was published and it’s still usefull

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Thanks for your help :D

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this helped me a lot thank you

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in finding the compression can't you just count how many times the dots move over if its on a line

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[@user-ct4wr3du8e]

His printing on the whiteboard is so much better that mine and he was hold two things while doing it lol. Aside from that this video was super helpful for me I have my exam in 8-9 hrs I'm doing some late night reviewing/studying

[@nicolosseu6102]

hi thank god i saw this video!!! this is so helpful 😍😍

[@narita._.harajuku]

Thank you, now I get it better. But is there a way to get the standard form without getting the vertex form?

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Omg, you explained what my teacher explained in class the same way but I was distracted in class making me binge yt videos about this tyyy

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Does anyone know the transformations he used?

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[@thouka8506]

Wow I didn’t even know we can do this even tho I’m at my year 10 and just learned this, I thought the only way to get a was to get the root and expand to quad form and get its a from the axsqur+bx+c, Didn’t know we could use the any x,y value to sub in the equation

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Can’t believe that a simple 5min video is now gonna make me pass my algebra class after 2 months failing 🤪

[@Diorthanos]

1:21 be like a Minecraft villager. But actually thanks, as I did not know how to do this when my teacher explained it

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[@michaelempeigne3519]

( x - h)^2 = 4p ( y - k ) [ for a parabola opening up or down ] ( x - 3 )^2 = 4p ( y + 4 ) (0, 5 ) is on the parabola, therefore : ( - 3 )^2 = 4p ( 5 + 4 ) 9 = 36p p = 1/4 so the parabola is : (x - 3 )^2 = y + 4

[@regina0273]

Plugging the (x-3) (x-3) in a square would be easier for most people :') great video thanks. (Helpin me with my exams)

[@user-ct4wr3du8e]

Lol a month later but I'm using this for my exam in 8-9 hrs from now

[@RyanSmith-3310]

mans is holding a thermal detonator

[@User-op1be]

For this kind of parabola, It would be easier to do it in double bracket form y=(x-1)(x-5)

[@mryip06]

Can you please tell me what is the name of the form (y-k)^2 = 4p(x-h) ?

[@ninoadriandelrosario4356]

Hi, Sir. Hopefully you reply to this. What's the difference of formula of parabola in (× - h)²=4a( y -k) and to the vertex form of y=a(×-h)²+k. Thank youu

[@jasminelovely3185]

Thank you so much. My teacher was not a good explainer .

[@ddawg9224]

general/standard form begins at 4:06

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Ima give u a kiss I almost cried doing hw

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ilysm

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yep

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I did that

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Hell yeah man

[@ishaanbhadauria8588]

cant we just use this equation?:- k[x²+(alpha+beta)x+(alpha*beta)]

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Hello Mr. Blackpenredpen

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i almost lost my mind

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My guy

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I’m fucking autistic or dumb for math I can’t remember and idk if it’s from childhood ptsd because I know other things make me sad but FUCK I HAVE A FINAL and I can’t explain because if I get cps called on me my family will whoop my ass and I don’t take therapy

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Did you

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hand in marriage?

[@deewas7]

Did you make a mistake by saying (1,0) should it not be (0,1)

[@a1jabr3]

Deewas Timsina no, because 1 is on the x axis and 0 is on the y axis

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i cant hear yu clearly

[@nickiscrochethub]

what?

[@doobick1898]

i mean, if you are in highschool and you still can't understand this then you must be real dumb