Simultaneous Equations (Grade 11 NSC Matric Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What are simultaneous equations?
What are simultaneous equations?
Equations solved together sharing variables
How many equations are needed to solve for two unknown variables?
How many equations are needed to solve for two unknown variables?
Two independent equations
Which three methods solve simultaneous equations?
Which three methods solve simultaneous equations?
Substitution, elimination, graphical
What does the substitution method do?
What does the substitution method do?
Reduces to one equation with one unknown
In elimination, what must you do to one variable's coefficients?
In elimination, what must you do to one variable's coefficients?
Make them equal in both equations
What do intersection points show in the graphical method?
What do intersection points show in the graphical method?
The solutions to both equations
When is substitution the best method?
When is substitution the best method?
When one equation is easily rearranged
When should you use the elimination method?
When should you use the elimination method?
When coefficients can be easily matched
What is a common mistake when solving simultaneous equations?
What is a common mistake when solving simultaneous equations?
Forgetting to find both and values
Why must you check solutions in both original equations?
Why must you check solutions in both original equations?
To verify they satisfy both equations