Solving System of Equations by Graphing (using x and y ...



Solving System of Equations All 3 Ways Bridgeport Math

Name ____________________________________________

Solve each System of Equations by graphing (use a T Chart or slope/intercept form), solve by elimination, solve by substitution (all 3 answers should show same thing). Show all work or you will get no credit!

|1. | |

|3x – 2y = 0 | |

|4x + 2y = 14 | |

|Solve by elimination | |

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|________________________________________ | |

|Solve by Substitution (solve for either y or x and insert it into the other | |

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| |Solve by graphing (show work – get the 2 points) |

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|2. | |

|2x – 2y = 2 | |

|-2x + 3y = -4 | |

|Solve by elimination | |

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|________________________________________ | |

|Solve by Substitution (solve for either y or x and insert it into the other | |

|equation) | |

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| |Solve by graphing (show work – get the 2 points) |

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| |______________________________________________ |

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|3. | |

|3x + 4y = -2 | |

|-2x – 2y = 0 | |

|Solve by elimination | |

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|________________________________________ | |

|Solve by Substitution (solve for either y or x and insert it into the other | |

|equation) | |

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| |Solve by graphing (show work – get the 2 points) |

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| |______________________________________________ |

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|4. | |

|2x + 3y = -10 | |

|X + 4y = -10 | |

|Solve by elimination | |

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|________________________________________ | |

|Solve by Substitution (solve for either y or x and insert it into the other | |

|equation) | |

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| |Solve by graphing (show work – get the 2 points) |

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|5. | |

|-2x – 2y = -2 | |

|2x + 2y = 3 | |

|Solve by elimination | |

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|________________________________________ | |

|Solve by Substitution (solve for either y or x and insert it into the other | |

|equation) | |

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| |Solve by graphing (show work – get the 2 points) |

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| |______________________________________________ |

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|6. | |

|3x – 4y = -8 | |

|-2x + 2y = 4 | |

|Solve by elimination | |

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|________________________________________ | |

|Solve by Substitution (solve for either y or x and insert it into the other | |

|equation) | |

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| |Solve by graphing (show work – get the 2 points) |

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| |______________________________________________ |

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