Simultaneous Equations (Edexcel GCSE Maths): Quizzes
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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?
A pair solved together for two unknowns
What does the word 'simultaneous' mean in this context?
What does the word 'simultaneous' mean in this context?
At the same time
Which type are equations and ?
Which type are equations and ?
Easy simultaneous equations
Which method should you use for one linear and one quadratic equation?
Which method should you use for one linear and one quadratic equation?
Substitution method
What is the standard form for linear equations in the elimination method?
What is the standard form for linear equations in the elimination method?
When eliminating a variable, when should you subtract the equations?
When eliminating a variable, when should you subtract the equations?
When coefficients have the same sign
How many steps are in the elimination method for easy simultaneous equations?
How many steps are in the elimination method for easy simultaneous equations?
Six steps
What is the first step in the substitution method for tricky equations?
What is the first step in the substitution method for tricky equations?
Rearrange linear equation for 1 unknown
How many solutions do tricky simultaneous equations typically give?
How many solutions do tricky simultaneous equations typically give?
Two different solutions
Why is checking your answer essential?
Why is checking your answer essential?
To catch calculation errors
What is a common mistake with tricky simultaneous equations?
What is a common mistake with tricky simultaneous equations?
Forgetting there are two solution pairs
Which methods can solve the quadratic in Step 4 of substitution?
Which methods can solve the quadratic in Step 4 of substitution?
Factorisation, completing square, formula