Low Yi Yin's answer to Rosie's Secondary 3 A Maths Singapore question.

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Low Yi Yin
Low Yi Yin's answer
251 answers (Tutor Details)
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Hope this helps! ;))
Rosie
Rosie
1 year ago
Thank you , so meet the x axis can mean one or two points ?
Low Yi Yin
Low Yi Yin
1 year ago
Yep! That's why discriminant is more than or equal to 0.