Edexcel AS Level Maths: 6.3 Intersections of Straight Lines and Circles

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Pearson A level maths, pure maths year 1 textbook (6.3)
In this video I cover:
1. Intersection between lines and circles
2. Discriminant and its use to find the number of roots of a given quadratic equation
3. Solving problems involving discriminants

[@hodaifabsasa]

appreciate it bro

[@zafranakram3098]

Top video ! Helped a lot

[@aaron4438]

Thank you sir fdor this informative video

[@DanielKashule]

4:37 a common factor of 10 and 12 is 2 so why put x on the outside when you can put 2x

[@hxvoc_7708]

want it in the form ax^2 + bx + c so we can have a constant which is b

[@hxvoc_7708]

howd you suddenly get to k= -20+-2 square root 105????

[@abdulrahmanissa3406]

It’s called magic

[@zynex9250]

Solutions of quadratic formula??

[@hxvoc_7708]

@@zynex9250 ye im rewatching the playlist for revision and understand now

[@adxn626]

@@hxvoc_7708 Could you explain it pls i dont get it as well

[@Just_Tey]

At 6:20 how did it factorise to that

[@S22091]

Very late but he saw that the inequality sign changed (means divided by a negative). The question wants us to show we can get to that so you would just divide 84 by 21 and get 4. You would then divide everything else by 4 as well.

[@lordsservant4692]

May اللهﷻ grant you jannatul firdaws boss☝️☝️☝️