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A2 Systems of Equations; methods; number of solu ...

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  • Solve the system using graphing: y = 2x+4; y = -3x+4
    (0, 4)
  • Solve the system using graphing: y = 1/4x ; y = 1/4x - 3
    No solution!!
  • Solve the system using substitution: 2y = x+7; x = y - 4
    (-1, 3)
  • Solve the system using substitution: -3x -4y = -2; y = 2x - 5
    (2, -1)
  • Is (4, 7) a solution to the system: 3x+9y = 75; 8x+5y = 67?
    Yes
  • Solve the system using elimination: 5x - 3y = -1; 3x+2y = 7
    (1, 2)
  • How many solutions does this system have? 3x + 13y = 21; 6x + 26y = 42
    Infinite Solutions
  • How many solutions does this system have? x = 5y - 8; 2x = 10y +2
    No solutions
  • Solve the system using elimination: 2x+3y = 20; -2x+y = 4
    (1, 6)
  • Solve the system using elimination: x+y = 2; x-y = 14
    (8, -6)
  • Solve the system using graphing: x-y = 5; x + 2y = - 4
    (2, -3)
  • Solve the system using substitution: y = 3x+8; 5x+2y = 5
    (-1, 5)
  • Is (8, 5) a solution to the system: x+y = 13; x-y = 3?
    Yes
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