Completing the square to identify the max,min, vertex and axis of symmetry

y = x^2 + 2x - 3

[vidhu]

Your way of teaching is really helpful sir, not only for students even for teachers.

[harmanrealestate]

Thank you so much, I've been stressing with this for so long and now completely understand - thank you

[mar_was_gone]

i love how you explained why certain procedures are done on the equation, better than memorizing the steps without grasping what they do, like fr tnx

[leejiunnie]

i cannot put in to words about how grateful I am for you thank you so much sir

[m.ricc]

20 times better than my math teacher👍🏻

[sadiksarkar]

sir, you are awesome ...I was amazed after seeing the steps it is so easy but I was just making it complicated ...tnx😊😊😊✌✌

[BalgothTheVile]

THANK YOU!!! God bless you, you beautiful intelligent man.

[halladaas]

if the lenient term were -2x, would we consider the negative sign so that (b/2) becomes -1?

[h.renhwai]

Hi，teacher!Why the min or max point of the graphing of quadratic function can be found through the method of completing the square ？

[jasonbossert]

Yo Dr. McLogan, why does College algebra have to be so difficult

[purnagupta]

I am not going to lie, the thumbnail looks just a teeny tiny bit creepy, ya know what I mean

[hypegaminghd]

Don’t the signs switch when you take them out of the bracket?

[i_rika]

I have test after tomorrow and my marks are even in the average

[lillyjackson]

i hate that the caps on his markers dont match the color of the marker he uses.

[marisachong]

There's a reason why Asians are better in math and it shows with how complicated you do this