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

  Рет қаралды 15,098

Zeeshan Zamurred

Zeeshan Zamurred

Жыл бұрын

www.buymeacoffee.com/zeeshanz...
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

Пікірлер: 14
@hodaifabsasa
@hodaifabsasa Ай бұрын
appreciate it bro
@zafranakram3098
@zafranakram3098 Жыл бұрын
Top video ! Helped a lot
@aaron4438
@aaron4438 Жыл бұрын
Thank you sir fdor this informative video
@DanielKashule
@DanielKashule Жыл бұрын
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
@hxvoc_7708 Жыл бұрын
want it in the form ax^2 + bx + c so we can have a constant which is b
@hxvoc_7708
@hxvoc_7708 Жыл бұрын
howd you suddenly get to k= -20+-2 square root 105????
@abdulrahmanissa3406
@abdulrahmanissa3406 Жыл бұрын
It’s called magic
@zynex9250
@zynex9250 Жыл бұрын
Solutions of quadratic formula??
@hxvoc_7708
@hxvoc_7708 Жыл бұрын
@@zynex9250 ye im rewatching the playlist for revision and understand now
@adxn626
@adxn626 Жыл бұрын
@@hxvoc_7708 Could you explain it pls i dont get it as well
@Just_Tey
@Just_Tey 9 ай бұрын
At 6:20 how did it factorise to that
@S22091
@S22091 8 ай бұрын
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
@lordsservant4692 4 күн бұрын
May اللهﷻ grant you jannatul firdaws boss☝️☝️☝️
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