Weilun's answer to swxtz's Secondary 3 A Maths Singapore question.
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Suggested solution to your equation. I like to ask: how do you get 5 units from 7-3 in part (a)?
Date Posted:
5 years ago
i used their y -intercept values?
Isn't 7-3=4?
oh ya,it's my mistake sorry ><
You have to use Pythagoras' Theorem to find length of AB, because line AB is vertically straight but slanted
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