Simultaneous Equations (Junior Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are simultaneous equations?
What are simultaneous equations?
Equations with same variables
What is the goal when solving simultaneous equations?
What is the goal when solving simultaneous equations?
Find values making all equations true
What do solutions to simultaneous equations give you on a graph?
What do solutions to simultaneous equations give you on a graph?
Coordinates of point of intersection
What is a common method for solving simultaneous equations at Junior Cycle level?
What is a common method for solving simultaneous equations at Junior Cycle level?
Elimination method
What does the elimination method involve?
What does the elimination method involve?
Adding/subtracting to cancel a variable
Why might you multiply equations before using elimination?
Why might you multiply equations before using elimination?
To make a variable cancel out
What is the first step in the elimination method?
What is the first step in the elimination method?
Label the equations
What should you make the same when using elimination?
What should you make the same when using elimination?
Coefficients of one variable
What happens when you add the equations in elimination?
What happens when you add the equations in elimination?
One variable cancels out
After finding the value of one variable, what should you do?
After finding the value of one variable, what should you do?
Substitute into an original equation
Why should you check your solutions?
Why should you check your solutions?
To confirm no errors were made