486 results for "value".

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• Decimals

Face, Place and actual value, adding, subtracting, multiplying, dividing and rounding decimals.

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• W2a: Rearrange linear equations to find value of an unknown

Finding the value of a variable

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• Prerequisites: Substitute a value into an expression

What is the value of the expression given a choice of n?

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• j's copy of Several variables corresponding to a scenario - Swansea

Choose from one of several pre-defined scenarios, and set variables to the corresponding values, defined in lists.

This question has three variables: city, population, and percent_like_chocolate. These differ for each city. We've defined a list for each variable, with the corresponding values. A variable called scenario picks a random position in the list, so the value of city, for example, is cities[scenario].

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• Michael's copy of Linear graphs

Looking at gradients and values for x and y for straight-line graphs

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• Mark the product of two matrices in a mathematical expression part

A mathematical expression part whose answer is the product of two matrices, $X \times Y$.

By setting the "variable value generator" option for $X$ and $Y$ to produce random matrices, we can ensure that the order of the factors in the student's answer matters: $X \times Y \neq Y \times X$.

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• Maths_and_Stats's copy of Interactive Newton-Raphson method

Write down the Newton-Raphson formula for finding a numerical solution to the equation $e^{mx}+bx-a=0$. If $x_0=1$ find $x_1$.

Included in the Advice of this question are:

6 iterations of the method.

Graph of the NR process using jsxgraph. Also user interaction allowing change of starting value and its effect on the process.

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• Interactive Newton-Raphson method

Write down the Newton-Raphson formula for finding a numerical solution to the equation $e^{mx}+bx-a=0$. If $x_0=1$ find $x_1$.

Included in the Advice of this question are:

6 iterations of the method.

Graph of the NR process using jsxgraph. Also user interaction allowing change of starting value and its effect on the process.

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• Eigenvalues/Eigenvector of a 2x2 matrix

This question concerns the evaluation of the eigenvalues and corresponding eigenvectors of a 2x2 matrix.

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• Complex: Principle value of a complex number

Calculate the principal value of a complex number.

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