25 results authored by Ian Loasby - search across all users.
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AMRC Mathematics Admission Test - 2019 October 2019 version
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Find the mechanical advantage of a pair of 'vice-grip' pliers.
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Demo Version
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Fractions
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Unit conversion
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Transpose equation
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Transpose equation
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Percentages
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BODMAS
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Significant figures
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Use the BODMAS rule to determine the order in which to evaluate some arithmetic expressions.
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Several quadratics are given and students are asked to complete the square.
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Solving quadratic equations using a formula,
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Shows how to define variables to stop degenerate examples.
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Solve for $x$ and $y$: \[ \begin{eqnarray} a_1x+b_1y&=&c_1\\ a_2x+b_2y&=&c_2 \end{eqnarray} \]
The included video describes a more direct method of solving when, for example, one of the equations gives a variable directly in terms of the other variable.
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Two questions on solving systems of simultaneous equations.
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Rearrange equations to make $x$ the subject.
