Quadratics | AS Level Pure 1 Mathematics | Topic Explainer - ZNotes

We hope you find this video useful. It has been brought to our attention that there are few errors in the video. At 31:25, the -64 should have been -4^2 so -16 and the value of Q would be -5. At time 41:39, the contributor mentioned (x-4)(x-1) when it should be (x-4)(x+1) The values of x, however, are correctly x=4 and x=-1 --- Get a griping understanding of Quadratics with expert Pratyush in this AS Level Mathematics (9709) Pure 1 Topical Explainer. Our expert Pratyush, an A2 student, is determined to make a difference by sharing his knowledge and helping others. From factorizing to completing the square, Pratyush works on breaking down these complex chapters to simpler ones that are easier to understand. Stay ahead in your mathematics studies or simply satisfy your curiosity with this engaging video. Grab the written notes for this chapter at: https://znotes.org/caie/as-level/maths-9709/pure-1/quadratics/ Get a good revision before your exams by connecting with us on the server: https://discord.gg/znotes Interested in being a video contributor at ZNotes? Apply here!: https://znotesteam.notion.site/Contributors-Board95575c32448e422ea0136963af967cf2 Connect with us! Website: https://www.znotes.org/ Community: https://discord.gg/znotes Instagram: https://www.instagram.com/znotesrevision Twitter: https://twitter.com/znotesrevision 0:00 Introduction 1:30 Basics 3:08 Factorization 10:58 Question on Factorization 15:48 Completing the Square 26:22 The Quadratic Equation 30:39 Questions on Completing the Square 39:39 Inequalities 45:35 The Discriminant 47:58 Simultaneous Equations 51:25 The Discriminant in Simultaneous Equations 55:20 Questions on Previous 1:07:02 Quadratic in Some Function of x 1:10:13 Questions on Quadratic in Some Function of x 1:16:49 Outro