Quadratic inequalities (AQA GCSE Further Maths): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What type of solutions do quadratic inequalities have?
What type of solutions do quadratic inequalities have?
Ranges of values
If the coefficient of is positive, what shape does the parabola have?
If the coefficient of is positive, what shape does the parabola have?
Upward opening (U-shape)
When are endpoints NOT included in the solution?
When are endpoints NOT included in the solution?
When using or
What notation is used for endpoints when using or ?
What notation is used for endpoints when using or ?
Solid circles (●)
In the short method, what must you do if ?
In the short method, what must you do if ?
Multiply by and flip inequality
For or inequalities, where is the solution?
For or inequalities, where is the solution?
Between critical values
For or inequalities, where is the solution?
For or inequalities, where is the solution?
Outside the critical values
What are critical values in quadratic inequalities?
What are critical values in quadratic inequalities?
Points where expression crosses x-axis
When must you reverse the inequality sign?
When must you reverse the inequality sign?
When multiplying/dividing by negative
For upward-opening parabolas, what does 'less than' mean?
For upward-opening parabolas, what does 'less than' mean?
Between the roots