Problems and Graphs (Leaving Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What are simultaneous equations?
What are simultaneous equations?
Systems of 2+ equations with same variables
In word problems, what do variables typically represent?
In word problems, what do variables typically represent?
Unknown quantities to find
What is the first step when approaching word problems with simultaneous equations?
What is the first step when approaching word problems with simultaneous equations?
Identify the unknowns
How many relationships do you need to find to set up simultaneous equations?
How many relationships do you need to find to set up simultaneous equations?
Two different relationships
In graphical solutions, what does the point of intersection represent?
In graphical solutions, what does the point of intersection represent?
Values satisfying both equations
What does it mean if two lines don't intersect when solving graphically?
What does it mean if two lines don't intersect when solving graphically?
There is no solution
What is a key advantage of using graphical methods?
What is a key advantage of using graphical methods?
Visual representation of solution
Money problems are based on which two key relationships?
Money problems are based on which two key relationships?
Total number of items & total value
If someone is years old now, how old were they 5 years ago?
If someone is years old now, how old were they 5 years ago?
years old
What is the formula for the perimeter of a rectangle?
What is the formula for the perimeter of a rectangle?
What is crucial about units in money problems?
What is crucial about units in money problems?
Keep units consistent
Why are algebraic methods usually preferred over graphical methods?
Why are algebraic methods usually preferred over graphical methods?
For exact answers