Trina's answer to rishhrrs's Secondary 3 E Maths Singapore question.

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Trina
Trina's answer
126 answers (A Helpful Person)
1st
not sure if you need to show working for part d but if needed you can use quadratic formula/ complete the square
rishhrrs
Rishhrrs
3 months ago
yes i did the quadratic formula on my own thank you sm