53 results.
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Question in Antony's workspaceThe matrix entry part in this question marks any symmetric matrix as correct, using a custom marking algorithm. A matrix is symmetric if it is equal to its transpose.
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Question in Julie's workspace
Compute a table of values for an exponential function. The student input is now disconnected from the graph so that they slide the points on the graph after they input the values and the answer fields are not updated. Now includes a graph in advice.
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Question in Content created by Newcastle University
Given a linear programming problem in standard form, write down the dual problem.
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Question in Content created by Newcastle University
Given a linear programming problem in standard form, write down the dual problem.
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Question in Christian's workspace
Doesn't work - used the old extension.
Mark a GeoGebra worksheet.
Needs a worked solution.
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Question in Christian's workspace
A sneak peek at a really clever integration of GeoGebra with Numbas.
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Question in How-tos
An example of using the GeoGebra extension to ask the student to create a geometric construction, with marking and steps.
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Question in Content created by Newcastle University
Given data on population mean and population standard deviation and three sampling sizes, calculate the probabilities that the sample means are within a specified distance from the population mean.
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Question in Content created by Newcastle University
Factorising 5 to 7 digit numbers into a product of prime powers.
Uses the marking algorithms from question 1 of this CBA
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Question in Content created by Newcastle University
Pick four numbers from 1900…2015 and ask the student to factorise them.
Custom marking scripts make sure the student has entered a complete factorisation.
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Question in Content created by Newcastle University
Trying out something: get the student to enter a set for each of "regular singular points" and "essential singular points".
Find and classify singular points of a second-order ordinary differential equation. One equation is chosen from a selection of 10.
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Question in Content created by Newcastle University
A box contains n balls, m of these are red the rest white.
r are drawn without replacement.
What is the probability that at least one of the r is red?
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Question in Content created by Newcastle University
Given 6 vectors in R4 and given that they span R4 find a basis.
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Question in Content created by Newcastle University
Given a matrix in row reduced form use this to find bases for the null, column and row spaces of the matrix.
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Question in Anna's workspace
Write down the Newton-Raphson formula for finding a numerical solution to the equation emx+bx−a=0. If x0=1 find x1.
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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Question in MATH 6005 2018_2019
Cofactors Determinant and inverse of a 3x3 matrix.
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Question in CHY1205
This question aims to test understanding and ability to use the laws of indices.
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Question in MA-138 projektet
This question tests the students ability to factorise simple quadratic equations (where the coefficient of the x^2 term is 1) and use the factorised equation to solve the equation when it is equal to 0.
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Question in faisal's workspace
No description given
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Exam (1 question) in SDS
Solve a pair of linear equations by writing an equivalent matrix equation.
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Question in Rosanna's workspace
Simplifying expressions such as blogb(x) and blogb(x).
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Question in Wan's workspace
Working with BODMAS
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Question in Prearrival
This exercise will help you round off decimals to given decimal places.