72 results for "surds".
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Exam (17 questions) in Martin's workspace
Quiz designed to test integration of powers of x including negative powers, surds, fractions, etc.
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Question in Transition to university
Manipulate surds and rationalise the denominator of a fraction when it is a surd.
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Question in Foundation Maths
Manipulate surds and rationalise the denominator of a fraction when it is a surd.
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Question in MASH Bath: Question Bank
Rewriting fractions involving surds by rationalising the denominator.
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Question in MASH Bath: Question Bank
Rewriting fractions involving surds by rationalising the denominator.
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Question in MASH Bath: Question Bank
Rewriting expressions involving surds into the form $a+b \sqrt{c}$, where $a$, $b$ and $c$ are integers.
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Question in MASH Bath: Question Bank
Rewiting expressions involving sums or differences of surds into the form $a \sqrt{b}$.
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Question in MASH Bath: Question Bank
Rewiting expressions involving sums or differences of surds into the form $a \sqrt{b}$.
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Question in MASH Bath: Question Bank
Simplifying expressions of the form $(a_1+b_1 \sqrt{c}) + (a_2 + b_2 \sqrt{c})$.
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Question in MASH Bath: Question Bank
Rewriting expressions involving surds into the form $a+b \sqrt{c}$, where $a$, $b$ and $c$ are integers.
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Question in MASH Bath: Question Bank
Rewriting expressions involving surds into the form $a+b \sqrt{c}$, where $a$, $b$ and $c$ are integers.
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Question in MASH Bath: Question Bank
Simplifying expressions of the form $(a_1+b_1 \sqrt{c}) - (a_2 + b_2 \sqrt{c})$.
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Question in MASH Bath: Question Bank
Simplifying surds from $a\sqrt{b^2c}$ to $ab\sqrt{c}$, where $a$, $b$ and $c$ are positive integers.
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Question in MASH Bath: Question Bank
Simplifying surds from $\sqrt{a^2b}$ to $a\sqrt{b}$, where $a$ and $b$ are positive integers.
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Exam (3 questions) in Trigonometry
Questions using Pythagoras' theorem involving integers and surds.
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Question in Trigonometry
Using Pythagoras' theorem to determine the hypotenuse, where side lengths include surds and students enter using sqrt syntax
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Question in MASH Bath: Question Bank
Rewriting fractions involving surds by rationalising the denominator.
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Question in MASH Bath: Question Bank
Rewriting fractions involving surds by rationalising the denominator.
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Question in Trigonometry
Using Pythagoras' theorem to determine a non-hypotenuse side, where side lengths include surds and students enter using sqrt syntax
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Question in Numbas showcase
Adding and subtracting surds. Parts b) and c) involve simplification of surds.
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Question in How-tosShows how to use the sqrtSquare simplification rule to display a randomly-chosen fraction involving surds on either the top or bottom.
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Question in How-tos
The student is given a value of $\cos(\theta)$ and has to find $\theta$.
Shows how to use subexpressions to represent randomly-chosen fractions of $\pi$ and surds, and have them displayed nicely.
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Question in Lineare Algebra 1
This question tests the student's understanding of what is and is not a surd, and on their simplification of surds.
Translated to German, minor changes to advice section.
Original: https://numbas.mathcentre.ac.uk/question/22497/surds-simplification/ by Lauren Richards.
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Question in Lineare Algebra 1
Quadratwurzeln vereinfachen, Nenner rational machen
Deutsche Übersetzung von https://numbas.mathcentre.ac.uk/question/22587/using-surds-rationalising-the-denominator/ von Elliott Fletcher
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Question in Lineare Algebra 1
Rationalise the denominator with increasingly difficult examples involving compound denominators.
Translated to German, made some minor changes to Advice section.
Original: https://numbas.mathcentre.ac.uk/question/22555/rationalising-the-denominator-surds/ by Lauren Richards
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Question in Transition to university
This question tests the student's understanding of what is and is not a surd, and on their simplification of surds.
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Exam (3 questions) in Transition to university
Some questions on working with surds.
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Question in Transition to university
Rationalise the denominator with increasingly difficult examples involving compound denominators.
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Question in Katy's workspace
This question tests the student's understanding of what is and is not a surd, and on their simplification of surds.
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Question in John's workspace
Manipulate surds and rationalise the denominator of a fraction when it is a surd.