151 results.
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Question in MASH Bath: Question Bank
Solving a pair of simultaneous equations of the form y=mx+c1 and y=ax2+kx+c2 to find the possible values for the unknown coefficient k, when given the values of m, a, c1 and c2.
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Question in DIAGNOSYS
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Question in Algebra
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Question in rhaana's workspace
Based on Chapter 8, quite loosley.Putting a pair of linear equations into matrix notation and then solving by finding the inverse of the coefficient matrix.
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Question in Algebra
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Question in Demos
Customised for the Numbas demo exam
Motion under gravity. Object is projected vertically with initial velocity Vm/s. Find time to maximum height and the maximum height. Now includes an interactive plot.
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Question in DIAGNOSYS
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Question in DIAGNOSYS
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Question in DIAGNOSYS
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Question in DIAGNOSYS
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Question in DIAGNOSYS
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Question in DIAGNOSYS
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Question in DIAGNOSYS
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Question in DIAGNOSYS
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Question in DIAGNOSYS
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Question in IE303412 CyberneticsThis question tests the students skill on transfer functions and Laplace of differential equations. The coefficients of the functions are created randomly.
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Question in Julie's workspace
Solve: d2ydx2+2adydx+(a2+b2)y=0,y(0)=1 and y′(0)=c.
rebelmaths
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Question in Julie's workspace
Method of undermined coefficients:
Solve: d2ydx2+2adydx+a2y=0,y(0)=c and y(1)=d. (Equal roots example). Includes an interactive plot.
rebelmaths
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Question in Bill's workspace
Solve for x(t), dxdt=a(x+b)n,x(0)=0
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Question in Transition to university
Apply the quadratic formula to find the roots of a given equation. The quadratic formula is given in the steps if the student requires it.
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Question in Jos's workspace
Shows how to define variables to stop degenerate examples.
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Question in Jos's workspace
Solve for x and y: a1x+b1y=c1a2x+b2y=c2
The included video describes a more direct method of solving when, for example, one of the equations gives a variable directly in terms of the other variable.
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Question in Content created by Newcastle University
Solving a system of three linear equations in 3 unknowns using Gauss Elimination in 4 stages. Solutions are all integral.
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Question in Bill's workspace
Asking users to input coefficients of a system of diff equations so that the phase space is a centre. All systems input by the user are graphed together with immediate feedback. Also included in the Steps are the graphs of the solutions for x(t),y(t);x(0)=−5,y(0)=5.
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Question in Bill's workspace
Nature of fixed points of a 2D dynamical system.
These examples are either centres or spirals.
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Question in Bill's workspace
Asking users to input coefficients of a system of diff equations so that the phase space is a saddle. All systems input by the user are graphed together with immediate feedback. Also included in the Steps are the graphs of the solutions for x(t),y(t);x(0)=−5,y(0)=5.
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Question in Bill's workspace
Asking users to input coefficients of a system of diff equations so that the phase space is a stable spiral. All systems input by the user are graphed together with immediate feedback. Also included in the Steps are the graphs of the solutions for x(t),y(t);x(0)=−5,y(0)=5.
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Question in Bill's workspace
Asking users to input coefficients of a system of diff equations so that the phase space is a centre. All systems input by the user are graphed together with immediate feedback. Also included in the Steps are the graphs of the solutions for x(t),y(t);x(0)=−5,y(0)=5.
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Question in Bill's workspace
Given ρ(t)=ρ0ekt, and values for ρ(t) for t=t1 and a value for ρ0, find k. (Two examples).
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Question in Jessica's workspace
Solve ay+b=cy+d for y.