Quadratic Inequalities (Grade 11 NSC Matric Mathematics): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What do quadratic inequalities give as solutions compared to quadratic equations?
What do quadratic inequalities give as solutions compared to quadratic equations?
Ranges of x-values
What are critical values in quadratic inequalities?
What are critical values in quadratic inequalities?
x-values where expression equals zero
Why is a table of signs used when solving quadratic inequalities?
Why is a table of signs used when solving quadratic inequalities?
Organises work & avoids sign errors
If in , what shape does the parabola have?
If in , what shape does the parabola have?
Opens upward (U-shape)
What is true about for any real number expression?
What is true about for any real number expression?
Always positive or zero
What must you do to the inequality sign when multiplying by a negative number?
What must you do to the inequality sign when multiplying by a negative number?
Flip the inequality sign
What is the solution to ?
What is the solution to ?
or
In fractions, what values cannot be part of the solution?
In fractions, what values cannot be part of the solution?
Values making denominators zero
Which inequality symbols mean boundary points are included in the solution?
Which inequality symbols mean boundary points are included in the solution?
and
What is the first step in solving a quadratic inequality?
What is the first step in solving a quadratic inequality?
Factorise the quadratic expression