Sec 3/4 E Math T02-Q08 - Finding bounds of a linear expression

Sec 3/4 E Math T02-Q08 - Finding bounds of a linear expression

Secondary 3
Original parallel to Sec3&4 E Math FA

It is given that \(-4\le x\le 3\) and \(1\le y\le 7\).

  1. Find the least possible value of \(2x-3y\).
  2. Find the greatest possible value of \(2x-3y\).

Solution:

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Answer:(a) \(-29\); (b) \(3\).

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