Quadratic Inequalities (AQA A-Level Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What must one side equal when writing a quadratic inequality in standard form?
What must one side equal when writing a quadratic inequality in standard form?
0
Why do we find roots of when solving inequalities?
Why do we find roots of when solving inequalities?
Roots divide number line into intervals
For or inequalities, what circles are used when graphing the solution?
For or inequalities, what circles are used when graphing the solution?
Open circles
How many regions do two roots divide the number line into?
How many regions do two roots divide the number line into?
Three regions
For an upward parabola, what is the sign pattern of the three regions?
For an upward parabola, what is the sign pattern of the three regions?
Positive, negative, positive
What is the solution to with roots and ?
What is the solution to with roots and ?
When should the quadratic formula be used for solving inequalities?
When should the quadratic formula be used for solving inequalities?
When it doesn't factorize easily
What indicates a downward-facing parabola in ?
What indicates a downward-facing parabola in ?
Negative
For , which factor pair of 9 adds to 10 for factoring?
For , which factor pair of 9 adds to 10 for factoring?
(1, 9)
What polynomial degree should be selected in calculator mode for quadratic inequalities?
What polynomial degree should be selected in calculator mode for quadratic inequalities?
2