346 results for "finding".

Show results for

Refine by

  • Status

  • Author

  • Tags

  • Usage rights

  • Ability Level

  • Topics

  • W1b - Solve simultaneous equations by finding inverse matrix

    by Timur Zaripov and 2 others

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

    Question Ready to use

    CC BY Published

    Last modified 16/10/2019 06:10

    • No subjects selected
    • No topics selected

    No ability levels selected

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

    by Maria Aneiros and 1 other

    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. 

    Question Needs to be tested

    CC BY Published

    Last modified 10/10/2019 13:43

    • No subjects selected
    • No topics selected

    No ability levels selected

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

    by Timur Zaripov and 1 other

    Finding the value of a variable

    Question Ready to use

    CC BY Published

    Last modified 08/10/2019 16:51

    • No subjects selected
    • No topics selected

    No ability levels selected

  • 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

    Question Draft

    CC BY Published

    Last modified 25/09/2019 13:57

    • No subjects selected
    • No topics selected

    No ability levels selected

  • 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

    Question Ready to use

    CC BY Published

    Last modified 25/09/2019 09:42

    • No subjects selected
    • No topics selected

    No ability levels selected

  • Maths_and_Stats's copy of Interactive Newton-Raphson method

    by Maths_and_Stats Advice and 2 others

    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

    Last modified 19/09/2019 13:49

    • No subjects selected
    • No topics selected

    No ability levels selected

  • Interactive Newton-Raphson method

    by Picture of Christian Lawson-Perfect Christian Lawson-Perfect and 1 other

    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

    CC BY Published

    Last modified 15/09/2019 18:52

    • No subjects selected
    • No topics selected

    No ability levels selected

  • Completing the square and finding roots of a quadratic equation

    by Maria Pickett and 2 others

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

    Question Draft

    CC BY Published

    Last modified 11/09/2019 13:51

    • No subjects selected
    • No topics selected

    No ability levels selected

  • Julien's copy of Interactive Newton-Raphson method

    by Julien Ugon and 1 other

    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

    Last modified 19/08/2019 10:27

    • No subjects selected
    • No topics selected

    No ability levels selected

  • Julien's copy of Prove discontinuity of a function at a given point

    by Julien Ugon and 1 other

    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.

    Question Draft

    CC BY Published

    Last modified 19/08/2019 10:26

    • No subjects selected
    • No topics selected

    No ability levels selected