Question: 1. y = - 3x 2. y = x - 5 3. 2x - 5y = 10 y = - 3x + 2 - 2x

1. y = - 3x 2. y = x - 5 3. 2x - 5y = 10 y = - 3x + 2 - 2x + 2y = -10 3x + y = 15 14 o 2 6 10 -2- -2 2 4 X -6- O 2- -20 75, 0110 inconsistent consistent and consistent and Solve each system of equations. dependent independent 4. -r+t = 5 5. 2x - y = -5 6. x - 3y = - 12 - 2r + t = 4 4x + y = 2 2x + y = 11 (1, 6) (- 2, 4) (3, 5) 7. 2p - 3r = 6 8. 6w - 8z = 16 9. c+ d =6 - 2p + 3r = - 6 3w - 4z = 8 c - d=0 infinitely many infinitely many (3, 3) 10. 2u + 4x = - 6 11. 3a + b = - 1 12. 2x + y = 6 u + 2x = 3 - 3a + b = 5 3x - 2y = 16 no solution (- 1, 2) (4, - 2) 13. 3y - z = - 6 14. c + 2d = - 2 15. 3r - 2t = 1 -3y - z =6 -2c - 5d = 3 2r - 3t = 9 (-2, 0) (- 4, 1) (-3, -5)

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