Solving Systems of Equations and Inequalities Jeopardy

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Presentation transcript:

Solving Systems of Equations and Inequalities Jeopardy Graphing Substitution In 3 Variables Elimination Method Inequalities Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200 Q $200 Q $200 Q $200 Q $300 Q $300 Q $300 Q $300 Q $300 Q $400 Q $400 Q $400 Q $400 Q $400 Q $500 Q $500 Q $500 Q $500 Q $500 Final Jeopardy

$100 Question from Graphing Solve and graph by hand: y = x - 2 y = -2x + 7

$100 Answer from Graphing (3, 1)

$200 Question from Graphing Solve by hand: y = 3x + 4 y = 3x – 2

$200 Answer from Graphing No solution since the lines are parallel

$300 Question from Graphing Solve the system by hand: 2x + 4y = 12 x + y = 2

$300 Answer from Graphing (-2, 4)

$400 Question from Graphing Solve the system by graphing and state whether the system is consistent or inconsistent. 7x – y = 6 -7x+y = -6

Solution is all real numbers and it is consistent. $400 Answer from Graphing Solution is all real numbers and it is consistent.

$500 Question from Graphing Solve the system by graphing: x = 10 x = y - 10

$500 Answer from Graphing (10, 20)

$100 Question from Substitution Solve the system by substitution: 4x + 3y = 4 y = 2x - 7

$100 Answer from Substitution (2.5, -2)

$200 Question from Substitution Solve by substitution. 2x – 3y = 6 x + y = -12

$200 Answer from Substitution (-6, -6)

$300 Question from Substitution Solve by substitution. -y = -3x 4x + 3y = 26

$300 Answer from Substitution (2, 6)

$400 Question from Substitution Solve by substitution. y = 5x 4x + 2y = 7

$400 Answer from Substitution (.5, 2.5)

$500 Question from Substitution Solve by substitution and state whether the system is dependent or independent. y = 2x + 3 5x – 4y = 6

$500 Answer from Substitution (-6, -9) and it is independent

$100 Question from In 3 Variables Solve. 3x – y + z = 3 y = 1 z = 1

$100 Answer from In 3 Variables (1, 1, 1)

$200 Question from In 3 Variables Solve x + 2y + 3z = 6 y + 2z = 0 z = 2

$200 Answer from In 3 Variables (8, -4, 2)

$300 Question from In 3 Variables 3x + y + z = 7 x + 3y – z = 13 y = 2x - 1

$300 Answer from In 3 Variables (2, 3, -2)

$400 Question from In 3 Variables Solve. x – y – 2z = 4 -x + 2y + z = 1 -x + y – 3z = 11

$400 Answer from In 3 Variables (0, 2, -3)

$500 Question from In 3 Variables Solve. x + 2y + z = 4 2x – y + 4z = -8 -3x + y – 2z = -1

$500 Answer from In 3 Variables (3, 2, -3)

$100 Question from Elimination Method Solve by elimination x + 2y = 10 x + y = 6

$100 Answer from Elimination Method (2, 4)

$200 Question from Elimination Method Solve by elimination. 5x + 3y = 30 3x + 3y = 19

$200 Answer from Elimination Method (6, 0)

$300 Question from Elimination Method Solve by elimination. 4x – 6y = -26 -2x + 3y = 13

$300 Answer from Elimination Method All Real numbers – coinciding lines

$400 Question from Elimination Method Solve by elimination 5x – 2y = -19 2x + 3y = 0

$400 Answer from Elimination Method (-3, 2)

$500 Question from Elimination Method Solve by elimination x + 3y = 7 2x – y = 7

$500 Answer from Elimination Method (4, 1)

$100 Question from Inequalities The solution to a system of Inequalities is _______________.

$100 Answer from Inequalities The feasible region - the area of the graph where the shaded areas overlap.

$200 Question from Inequalities Solve. x > 3 y < 4

$200 Answer from Inequalities

$300 Question from Inequalities State the difference in solutions to equalities and inequalities.

$300 Answer from Inequalities In equalities the solution is the a point (point of intersection) and in inequalities the solution is the overlapping shaded areas.

$400 Question from Inequalities Graph the system of inequalities to find the feasible region. y > -1 y < 2x + 1

$400 Answer from Inequalities

$500 Question from Inequalities Give an example of a system of equations containing no solutions.

$500 Answer from Inequalities Answer should be any two equations that have the same slope. Meaning that the lines are parallel.

Final Jeopardy How can learning to solve systems of equations help solve real life situations?

Final Jeopardy Answer Answers can vary – Check with the teacher!