317 results authored by Simon Thomas - search across all users.
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Question in Calculus
Maximising the volume of a rectangular box
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Question in Calculus
Problem on a closed cylindrical tank having minimum surface area
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Question in Calculus
Rate of change problem involving velocity & acceleration
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Question in Calculus
Turning points of a cubic function
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Question in Calculus
Problem on a closed cylindrical tank having minimum surface area
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Question in Calculus
Harder implicit differentiation requiring both chain rule and product rule.
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Question in Calculus
Implicit differentiation.
Given x2+y2+dxy+ax+by=c find dydx in terms of x and y.
Also find two points on the curve where x=0 and find the equation of the tangent at those points.
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Question in Calculus
Implicit differentiation.
Given x2+y2+ax+by=c find dydx in terms of x and y.
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Question in Maths support
Match the question with the correct formula.
rebelmaths
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Question in Maths support
Laplace of constants and powers of t
rebelmaths
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Question in Maths support
rebelmaths
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Question in Maths support
Laplace transform of e^{at}
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Question in Maths support
Intorduces students to the definition of a function f:A↦B as a subset of the Cartesian product A×B.
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Question in Maths support
Introductory exercise about subsets using custom grading code.
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Question in Maths support
Slightly harder introductory exercises about the power set.
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Question in Maths support
Introductory exercise about power sets.
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Question in Maths support
Introductory exercise about subsets using custom grading code.
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Question in Maths support
Introductory exercise about set equality
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Question in Maths support
rebelmaths
Converting a decimal number to binary.
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Question in Maths support
rebelmaths
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Question in Maths support
Converting Binary to Decimal
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Question in Maths support
rebelmaths
Converting a number from binary to decimal.
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Question in Algebra
Solve a quadratic equation by completing the square. The roots are not pretty!
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Question in Algebra
Rearrange expressions in the form ax2+bx+c to a(x+b)2+c.
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Simon's copy of Use the quadratic formula to solve an equation in terms of an unknown variable DraftQuestion in Algebra
Factorise a quadratic expression of the form x2+akx+bk2 for x, in terms of k. a and b are constants.
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Question in Algebra
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 Algebra
Factorise three quadratic equations of the form x2+bx+c.
The first has two negative roots, the second has one negative and one positive, and the third is the difference of two squares.
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Question in Algebra
Factorise a quadratic equation where the coefficient of the x2 term is greater than 1 and then write down the roots of the equation
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Question in Partial fractions
Factorise x2+cx+d into 2 distinct linear factors and then find ∫ax+bx2+cx+ddx,a≠0 using partial fractions or otherwise.
Video in Show steps.
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Question in Partial fractions
Factorise x2+cx+d into 2 distinct linear factors and then find ∫ax+bx2+cx+ddx,a≠0 using partial fractions or otherwise.
Video in Show steps.