346 results for "finding".

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.
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
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

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. Rightangled triangle II. All versions
Finding unknown sides/angles in rightangled 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. Rightangled triangle II. Version 1
Finding unknown sides/angles in rightangled 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 NewtonRaphson method
Write down the NewtonRaphson formula for finding a numerical solution to the equation $e^{mx}+bxa=0$. 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 NewtonRaphson method
Write down the NewtonRaphson formula for finding a numerical solution to the equation $e^{mx}+bxa=0$. 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
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 NewtonRaphson method
Write down the NewtonRaphson formula for finding a numerical solution to the equation $e^{mx}+bxa=0$. 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
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