Quadratic Functions - Always Positive/Negative [Part 3 of 3] | Achevas O-Level/IP Additional Math

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Achieve true mastery of A-Level H2 Math and O-Level Additional Math with Achevas's highly structured, yet refreshingly dynamic tuition classes. Our unique Theory-Centric and Practice-Centric approaches were developed to help any student excel in higher level Math, regardless of their background.

Jack holds a First Class Honors Degree from the National University of Singapore, completing his undergraduate and postgraduate studies in 4½ years instead of the usual 6 through the invitation-only Accelerated Masters Program. A Book Prize recipient, Jack maintained a place on the Dean's List for the entirety of his academic career.

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Intro 0:00
Always Positive 1:10
Always Negative 6:08
Exampe 14:32

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[siruliu]

This is really the best explanation I’ve ever seen so far you can let me understand without learning this topic yet

[plzzmeeeeeee]

dude your actually saving me, i am learning the whole topics from basic knowledge/scratch for o lvls which is in abt 2 weeks, man god bless u

[swatidwivedi]

Best explanation ....but for always negative a< 0 printing mistake not yours, sir ..
From india 🙏

[siruliu]

Emm I think there is an mistake on the notes on the screen, under the always negative where a>0? Isn’t it supposed to be a<0 for always negative?