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NYJC P1 Q10b The function (i) Use an algebraic method to find the range of g. (ii) State a sequence of transformations which transform the graph of to the graph of

I notice many students forget how discriminant works! I think I should inform A-level students that they need to know how it works and that is one thing they should not return to their O-level [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) Discriminant of . Thus, has no real roots and has no other real [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. Since equation has no real roots, KS Comments A very simple question [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) (iii) For to have equal roots, KS Comments: Question is well [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. For , y exists only when KS Comments: When I first saw this, I was [...]