[Video] A-Math: Quadratic Equation & Discriminant (Plus Common Mistakes & Counter Measures)


Commonly asked in school and 'O' Level Examinations, many students also commit to commonly made mistakes. Watch the video (5 minutes) and see how you can add another 3 marks easily.

Leave me your comment. I would love to hear from you.

Click here for a direct link to the video

Related Post

E-Maths Note: Quadratic Equations & Graphs Series Revisit I have discussed about Quadratic Equations and Graphs previously in Features of Quadratic Equations and Graphs , Different representations of quadrati...
E-Math: Quadratic Checklist As I'm writing this post, we are only 89 days away from GCE 'O' Level Elementary Maths Paper 1. Personally I think in this last phase of preparatio...
E-Maths Note: Quadratic Equations & Graphs 3 Different representations of a quadratic equation & its significance y=3x^2 - x + 5 : typical quadratic equation : Max/Min & instant answer...
'O' levels & Sec 3 Math & Chemistry Holiday Programmes 2010 (Revision & Headstart) UPDATE: Early Bird registration is extended to 6 Dec 09, 2359 hours (Singapore time) Credit: Art Institute of Portland Most Secondary two st...
Quadratic Equation Discriminant Proving Question I realize many students have a challenge with presenting the solution of proving question. I am going to illustrate the correct way using the followin...

Hi, I'm Ai Ling Ong. I enjoy coaching students who have challenges with understanding and scoring in 'O' Level A-Maths and E-Maths. I develop Math strategies, sometimes ridiculous ideas to help students in understanding abstract concepts the fast and memorable way. I write this blog to share with you the stuff I teach in my class, the common mistakes my students made, the 'way' to think, analyze... If you have found this blog post useful, please share it with your friends. I will really appreciate it! :)

4 Responses to [Video] A-Math: Quadratic Equation & Discriminant (Plus Common Mistakes & Counter Measures)

  1. Very good video for students to learn Quadratic Equations, as well as a teaching tool for teachers and tutors. Keep sharing! I will share this video blogpost with my readers.

    Reply

  2. Many of us forget to change the inequality sign when we arrive at this stage

    -12k < -36
    k < 3

    Glad you have shown a better way to avoid the above error.
    Thanks

    Reply

  3. Much appreciated post. I find that even when I point out those mistakes, there's still a large percentage of students that make them.

    Reply

Leave a reply