Comments for Tim Gan Math Online Courses
https://online.timganmath.edu.sg
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Comment on AM 2.2 Practice Now 2 Question 6 by Timothy Gan
https://online.timganmath.edu.sg/courses/3am-unit-2-quadratic-equations-inequalities-and-modulus-functions/lessons/am-2-2-basics-of-quadratic-inequalities/topic/am-2-2-practice-now-2-question-6/#comment-53
Thu, 26 Jan 2023 14:33:33 +0000https://online.timganmath.edu.sg?post_type=sfwd-topic&p=10800#comment-53In reply to Fong Ching.

Thanks Ms Fong! will get it corrected!

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Comment on AM 2.2 Practice Now 2 Question 3 by Timothy Gan
https://online.timganmath.edu.sg/courses/3am-unit-2-quadratic-equations-inequalities-and-modulus-functions/lessons/am-2-2-basics-of-quadratic-inequalities/topic/am-2-2-practice-now-2-question-3/#comment-52
Thu, 26 Jan 2023 14:33:29 +0000https://online.timganmath.edu.sg?post_type=sfwd-topic&p=10794#comment-52In reply to Fong Ching.

Thanks Ms Fong! will get it corrected!

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Comment on AM 2.3 Practice Now 1 Question 3 by Fong Ching
https://online.timganmath.edu.sg/courses/3am-unit-2-quadratic-equations-inequalities-and-modulus-functions/lessons/am-2-3-nature-of-roots-of-a-quadratic-equation/topic/am-2-3-practice-now-1-question-3/#comment-51
Thu, 26 Jan 2023 06:58:33 +0000https://online.timganmath.edu.sg?post_type=sfwd-topic&p=10825#comment-51b should be -(m+2)
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Comment on AM 2.2 Practice Now 2 Question 3 by Fong Ching
https://online.timganmath.edu.sg/courses/3am-unit-2-quadratic-equations-inequalities-and-modulus-functions/lessons/am-2-2-basics-of-quadratic-inequalities/topic/am-2-2-practice-now-2-question-3/#comment-50
Thu, 26 Jan 2023 06:40:25 +0000https://online.timganmath.edu.sg?post_type=sfwd-topic&p=10794#comment-50(3x-1)(x+1) is >0 but solution is less than 0
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Comment on AM 2.2 Practice Now 2 Question 6 by Fong Ching
https://online.timganmath.edu.sg/courses/3am-unit-2-quadratic-equations-inequalities-and-modulus-functions/lessons/am-2-2-basics-of-quadratic-inequalities/topic/am-2-2-practice-now-2-question-6/#comment-49
Thu, 26 Jan 2023 06:38:40 +0000https://online.timganmath.edu.sg?post_type=sfwd-topic&p=10800#comment-49x(x-4) is >0 but the solution is for less than 0
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Comment on AM 2.1 Worked Example 3 by Timothy Gan
https://online.timganmath.edu.sg/courses/3am-unit-2-quadratic-equations-inequalities-and-modulus-functions/lessons/am-2-1-sum-and-product-of-roots/topic/am-2-1-worked-example-3/#comment-48
Tue, 10 Jan 2023 17:21:29 +0000https://online.timganmath.edu.sg?post_type=sfwd-topic&p=10748#comment-48In reply to Chin.

Yes, I made a mistake here! Thanks for pointing out.

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Comment on AM 2.1 Worked Example 3 by Chin
https://online.timganmath.edu.sg/courses/3am-unit-2-quadratic-equations-inequalities-and-modulus-functions/lessons/am-2-1-sum-and-product-of-roots/topic/am-2-1-worked-example-3/#comment-47
Tue, 10 Jan 2023 00:05:17 +0000https://online.timganmath.edu.sg?post_type=sfwd-topic&p=10748#comment-47(iv) Alpha sq + beta sq = 157/9 not -7/3?
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Comment on AM 2.2 Practice Now 1 Question 1 by Timothy Gan
https://online.timganmath.edu.sg/courses/3am-unit-2-quadratic-equations-inequalities-and-modulus-functions/lessons/am-2-2-basics-of-quadratic-inequalities/topic/am-2-2-practice-now-1-question-1/#comment-46
Tue, 29 Nov 2022 04:06:50 +0000https://online.timganmath.edu.sg?post_type=sfwd-topic&p=10779#comment-46In reply to lin_sihong.

Hi Shihong! Thanks for pointing out! yes, it is my careless mistake. I will get it corrected thanks!

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Comment on AM 2.2 Practice Now 1 Question 1 by lin_sihong
https://online.timganmath.edu.sg/courses/3am-unit-2-quadratic-equations-inequalities-and-modulus-functions/lessons/am-2-2-basics-of-quadratic-inequalities/topic/am-2-2-practice-now-1-question-1/#comment-45
Mon, 28 Nov 2022 06:40:09 +0000https://online.timganmath.edu.sg?post_type=sfwd-topic&p=10779#comment-45I think it should be (x + 5)(4x – 9) ≥ 0 then the answer should be x ≤ -5 or x ≥ 9/4
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Comment on AM 2.3 Worked Example 7 (Quadratic Expression That Is Always Negative) by Daphne Tan
https://online.timganmath.edu.sg/courses/3am-unit-2-quadratic-equations-inequalities-and-modulus-functions/lessons/am-2-3-nature-of-roots-of-a-quadratic-equation/topic/am-2-3-worked-example-7-quadratic-expression-that-is-always-negative/#comment-44
Thu, 10 Nov 2022 06:52:03 +0000https://online.timganmath.edu.sg?post_type=sfwd-topic&p=10833#comment-44Understood. Thank you.
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