lesterine's answer to lana <3's Secondary 3 A Maths Singapore question.

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lesterine
Lesterine's answer
120 answers (A Helpful Person)
hope this helps too. if you dont mind you can also check out my math page on ig @aspiringmathematicians and drop your questions there ☺️ thanks! feel free to clarify
lana <3
Lana <3
2 years ago
hii !! tysm for ur help, just wondering why did you take -ax^2 +bx +c ? like why the negative sign ?? Is there a reason ?
lana <3
Lana <3
2 years ago
ohhh ! is it because the graph is a sad face ??
lesterine
Lesterine
2 years ago
yes!