346 results for "finding".

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• W1b - Solve simultaneous equations by finding inverse matrix

Putting a pair of linear equations into matrix notation and then solving by finding the inverse of the coefficient matrix.

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• Maria's copy of Roots of a quartic real polynomial

Given two complex numbers, find by inspection the one that is a root of a given quartic real polynomial and hence find the other roots.

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

Finding the value of a variable

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• Geometry. Right-angled triangle II. All versions

Finding unknown sides/angles in right-angled triangles.  6 different combinations of unknowns are included in this single question. Makes my previous questions redundant

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• Geometry. Right-angled triangle II. Version 1

Finding unknown sides/angles in right-angled triangles.

Version 1: b,c known

Version 2: a,x known

Version 3: a,y known

Version 4: b,x known

Version 5: b,a known

Version 6: c,a known

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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.

Question Should not be used

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• Completing the square and finding roots of a quadratic equation

Solve a quadratic equation by completing the square. The roots are not pretty!

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• Julien'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.

Question Draft

CC BY Published

• No subjects selected
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• Julien's copy of Prove discontinuity of a function at a given point

A graphical approach to aiding students in writing down a formal proof of discontinuity of a function at a given point.

Uses JSXgraph to sketch the graphs and involves some interaction/experimentation by students in finding appropriate intervals.

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