EJERCICIOS DE ECUACIÓN LINEAL.
Enviado por Uriel Martinez Sanchez • 28 de Noviembre de 2015 • Tarea • 968 Palabras (4 Páginas) • 235 Visitas
[pic 2][pic 3]
INSTITUTO TECNOLÓGICO SUPERIOR DE FRESNILLO.
INGENIERIA INDUSTRIAL.
3º “A”
EJERCICIOS DE ECUACIÓN LINEAL.
ALUMNO: URIEL MARTÍNEZ SÁNCHEZ.
DOCENTE: ERIKA RAMOS.
MATERIA: ALGEBRA LINEAL.
- X + y = 2
x = 2 – y x = 2 – y 2 – y = 1 + 2y[pic 4][pic 5][pic 6]
x x 3
3x – 2y = 1 3x = 1 + 2y x = 1 + 2y [pic 7]
3
X = 2 – (1) x = 2 – 1 = 1 x = 1[pic 8][pic 9][pic 10]
3(2-y) = x(1+2y) x x x
6 – 3y = 1 + 2y
2y + 3y = 1 – 6
5y = 5
Y = 1
- 4x + 3y = 0 x = 0 – 3y 4x = 0 – 3y [pic 11]
4
5x + 4y = 1 x = 1 – 4y 5x = 1 – 4y 0 – 3y 1 – 4y[pic 12][pic 13][pic 14]
5 4 5
5(0 – 3y) = 4(1- 4y)
0 – 15y = 4 – 8y x = 0 – 3(6) x = 0 – 18 = 18 x = 4.5[pic 15][pic 16][pic 17]
8y – 15y = 4 – 0 4 4 4
23y = 4
Y = 6
- 2x + y = 16 X = 16 – y 2x = 16 - y[pic 18]
2
X – y = -1 x = -1 + y x = -1 + y[pic 19]
X
X(16 – y) = 2(-1 + y) x = 16 – (5) x = 16 – 80 x = 64 x = 32[pic 20][pic 21][pic 22]
16 – 1y = 1 + 2y 2 2 2
2y + 1y = 1 – 16
3y = 15
y = 5
- 4x + 5y = 10 x = 16 – 5y 4x 16 – 5y[pic 23]
4
6x – 7y = -14 x = -14 + 7y 6x -14 + 7y[pic 24]
6
6(16 – 5y) = 4(-14 + 7y)
96 – 30y = -13 + 28y
28y + 30y = -13 – 96
58y = 109y
Y = 2
- –x + 3y = -13 x = -13 – 3y -x = -13 – 3y[pic 25]
-x
-2x + 10y = -46 x = -46 – 10y -2x = -46 -10y [pic 26]
-2
-2
...