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Reversed subtraction
Students seem to freak out when their answer is not written exactly the same as the answer provided. This question tries to enforce that $(xy)=(yx)$ and $\frac{ab}{cd}=\frac{ba}{dc}$
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Last modified 16/07/2018 06:42
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Last modified 25/10/2017 12:17
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Last modified 25/10/2017 10:55
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Last modified 25/10/2017 04:14
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Last modified 25/10/2017 03:12
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Inequalities that involve a single absolute value
Inequality involving a single absolute value, question solution uses the piecewise nature of the absolute value function.
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Last modified 28/08/2017 12:44
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Transition to university, Stage 1

Inequalities involving a rational function/hyperbola
Harder inequalities that involve terms like $\frac{1}{x}$ where multiplication by the denominator requires you to split into cases for positive or negative, or you multiply by the square of the denominator.
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Last modified 08/08/2017 08:15
 Pure mathematics
 Algebra
ALevel, Transition to university

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Last modified 25/07/2017 12:35
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Quadratic Inequalities
Solving inequalities that involve a quadratic and where the righthand side is 0.
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Last modified 22/06/2017 07:24
 Pure mathematics
 Algebra
ALevel, Transition to university

Quadratic Inequalities 2
Solving inequalities that involve a quadratic and where the righthand side is not 0.
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CC BYNCSA Published
Last modified 22/06/2017 07:17
 Pure mathematics
 Algebra
ALevel, Transition to university