1
Solve a quadratic inequality
Not checkedSolve the quadratic inequality over the real numbers:
\(x^2+4x+3<0\)
Cambridge 9709 · Pure Mathematics 1
Practise quadratic inequalities
Check your answers and use feedback to improve.
Maths4U Original: notes, examples & two exam-style problems
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10 questions to work through
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How to enter answers
Find the critical values and test the intervals on paper. Choose the complete solution set, including or excluding endpoints as required.
Build the method
2
Solve a quadratic inequality
Not checkedSolve the quadratic inequality over the real numbers:
\(x^2-5x+6\ge 0\)
3
Solve a quadratic inequality
Not checkedSolve the quadratic inequality over the real numbers:
\(x^2-7x+10\le 0\)
Check the details
4
Solve a quadratic inequality
Not checkedSolve the quadratic inequality over the real numbers:
\(4x^2-4x-3>0\)
5
Solve a quadratic inequality
Not checkedSolve the quadratic inequality over the real numbers:
\(-x^2+4x+5>0\)
6
Solve a quadratic inequality
Not checkedSolve the quadratic inequality over the real numbers:
\(-2x^2+8x-6<0\)
Apply and extend
7
Solve a quadratic inequality
Not checkedSolve the quadratic inequality over the real numbers:
\(x^2-4x+4<0\)
8
Solve a quadratic inequality
Not checkedSolve the quadratic inequality over the real numbers:
\(x^2-6x+9\le 0\)
9
Solve a quadratic inequality
Not checkedSolve the quadratic inequality over the real numbers:
\(x^2+4x+5>0\)
10
Solve a quadratic inequality
Not checkedSolve the quadratic inequality over the real numbers:
\(x^2+4x+2<0\)
Practice complete
You have completed the guided set
Return later and solve \(-x^2+x+6\ge0\). Explain both the sign and the endpoint choices.
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