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SISTEMAS DE ECUACIONES

Problemas de ecuaciones y soluciones.

J_Sotomayor
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SISTEMAS DE ECUACIONES

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  1. SISTEMA DE ECUACIONES ALUMNO: SOTOMAYOR PONTE, José Carlos Manuel GRADO Y SECCIÓN: 5º “D”

  2. 1 2X+3Y=12 3X+2Y=13 5Y=10  Y=2  X=3 6X+9Y=36 A B 6X+4Y=26 A B (3, 2) GRÁFICA

  3. 2 5X-Y=7 3X+2Y=12 13X=26  X=2  Y=3 10X-2Y=14 A B 3X+2Y=12 A B (2, 3) GRÁFICA

  4. 3 3X+Y=5 X-2Y=11 7X=21  X=3  Y=-4 6X+2Y=10 A B X-2Y=11 A B (3, -4) GRÁFICA

  5. 4 2X+3Y=3 5X-6Y=3 9X=9  X=1  Y=1/3 4X+6Y=6 A B 5X-6Y=3 A B (1, 1/3) GRÁFICA

  6. 5 (X/2)+3Y=1 X+2Y=1 4Y=1  Y=1/4  X=1/2 X+6Y=2 A B X+2Y=1 A B (1/2, 1/4) GRÁFICA

  7. 6 Y=2XY  X=1/2  Y=1/3 2X+2Y=10XY (1/X)+(1/Y)=5 (3/X)+(2/Y)=12 A B 2X+3Y=12XY A B (1/2, 1/3) GRÁFICA

  8. 7 8X=32  X=4  Y=-3 5X+6Y=2 (5X/2)+3Y=1 (3X/2)-3Y=15 A B 3X-6Y=30 A B (4, -3) GRÁFICA

  9. 8 9Y=9  Y=1  X=-2 2X+7Y=3 A 2(X-Y)+(X-Y)/3=3X-1 X-Y=3 B 2X-2Y=6 A B (-2, 1) GRÁFICA

  10. 9 8X=-24  X=-3 Y=4 8X-3Y=-36 (8X-3Y)/4=-9 3Y=12 A B 3Y=12 A B (-3, 4) GRÁFICA

  11. 10 10X=20  X=2  Y=-1 3X+Y=5 (2X-Y)/5=X-1 3X-(2X-Y)/5=5 A B 13X+Y=25 A B (2, -1) GRÁFICA

  12. 11 2X=-2  X=-1  Y=5/3 4X-3Y=-9 A • Y=(4X/3)+3 • Y=(2X/3)+(7/3) B 2X-3Y=-7 A B (-1, 5/3) GRÁFICA

  13. 12 9X=3  X=1/3  Y=1/2 6X+8Y=6 A • (X/2)+(2Y/3)=1/2 • (5X/4)+(2Y/3)=3/4 B 15X+8Y=9 A B (1/3, 1/2) GRÁFICA

  14. 13 6X=12  X=2  Y=0 4X+3(Y-1)=5 3(Y-1)=2X-7 4X+3Y=8 A B 2X-3Y=4 A B (2, 0) GRÁFICA

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