755 prompts matching "the determinant of a three by three matrix"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Solving simultaneous linear equations by substitution
I am in SS 1. I'm going to explain solving a pair of simultaneous linear equations by the
Solving simultaneous linear equations by elimination
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on solv
Changing the subject when the variable appears twice
I am in SS 1. Teach me changing the subject of a formula where the required letter appears
Show All Working: Classifying a mixed list of numbers as rational or irrational
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Final Revision: Approximating a surd to three decimal places
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Show All Working: Deciding whether two given surds are equal without a calculator
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Show All Working: Checking a rationalised answer by decimal approximation
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Final Revision: Expressing a rationalised answer in the form a root b over c
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Show All Working: A conjugate where the surd term comes first
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Final Revision: Deciding whether a given rule really is a binary operation
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Show All Working: Showing a set is not closed by a single counter-example
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on showing a set i
Final Revision: Why closure is checked before any other property
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Final Revision: Why distributivity links two operations rather than one
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Final Revision: Identity and inverse together, and what they give the set
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Final Revision: Evaluating a numerical expression using the index laws
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Show All Working: Simplifying an expression that mixes the index types
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Final Revision: Converting an answer back out of index form
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Common Mistakes: An indicial equation solved by substitution
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Show All Working: The common logarithm, to base ten
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Final Revision: Proving a logarithmic identity from the laws
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