Ejercicio ( PageIndex {15} )
Determine si el punto dado es o no una solución al sistema de desigualdades.
1. ((- 6,1) );
( left { begin {array} {l} {- x + y> 2} \ {x – 2 y leq – 1} end {array} right. )
2. ( left ( frac {1} {2}, – 3 right) );
( left { begin {array} {l} {4 x – 2 y geq 8} \ {6 x + 2 y <- 3} end {array} right. ) [ 19459002]
3. ((- 4, -2) );
( left { begin {array} {l} {x – y> – 3} \ {2 x + 3 y leq 0} \ {- 3 x + 4 y geq 4} end {array} right. )
4. ( left (5, – frac {1} {5} right) ) ‘
( left { begin {array} {l} {y
5. ((- 3, -2) );
( left { begin {array} {l} {y <(x - 1) ^ {2}} \ {y leq | x + 1 | - 3} end {array} derecha. )
6. ( left (2, – frac {2} {3} right) );
( left { begin {array} {l} {y <0} \ {x ^ {2} + y geq 3} end {array} right. )
- Respuesta
-
1. Sí
3. Sí
5. Sí