chesn3iffabearnol
chesn3iffabearnol chesn3iffabearnol
  • 18-07-2016
  • Mathematics
contestada

Which point lies in the solution set for the following system of inequalities? . .A. 2x + y < 4 . B.x − y > 3

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meerkat18
meerkat18 meerkat18
  • 19-07-2016
We are given with two inequalites:  2x + y < 4 and x − y > 3. In this case, we substitute the inequalities first to equals so as to find the coodinates of the point.
2x + y = 4
 x   - y = 3
3x       = 7
x = 7/3
y = -1/3

Hence the answer is x 
≥ 7/3 and y ≤ -1/3
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