Eric Nicholas K's answer to Irah Athirah's Secondary 4 A Maths Singapore question.

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Good afternoon Irah! You can play around with these questions at the Desmos graphing calculator online by typing what I wrote there and you can play around with the values of m to see how the lines change, for you to have a better visualisation of what the other tutor meant.