Solving Quadratic Inequalities | All Four Methods | OGE | Algebra | Problem 1

In this video we study all four methods of solving a quadratic inequality of first type such as x² −x −2 less than 0. In another video we discuss how to solve x² −x −2 greater than 0.

We study these four methods:
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0:00 Intro
02:21 Graphical method
08:00 Algebraic method
13:00 Sign-diagram method
17:04 Shortcut method
18:55 Practice problems

Thank you for watching.

#CrissCross #Inequalities #Algebra

[briannataylor]

My professor taught us only two methods. Thank you for showing us all.

[MathTutor]

We study these four methods:

02:21 Graphical method
08:00 Algebraic method
13:00 Sign-diagram method
17:04 Shortcut method

Thank you.

[avysamoranos]

I had been browsing the internet for 7 hours just to know the shortcut for quadratic inequalities, not until I found your video. You are definitely helping me pass my college entrance exam sir. Thank you so much

Keep making math shortcuts sir. You are so brilliant!