Eric Nicholas K's answer to Sonia's Secondary 4 A Maths Singapore question.
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Hi Sonia! Here are my workings for the two questions. Let me know if my workings are unclear and I will do my best to explain them again.
Date Posted:
5 years ago
Hi Sonia! I made a mistake on the last part of the line; x times -1/x is -1, so the line to draw is y = -1 for 1 solution
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