Content

Questions
94 items
Quadratic Graphs 24 Oct 2022, 5:44 a.m.
Gradient of straight line 24 Oct 2022, 5:44 a.m.
Formula for Quadratic Equation 11 Jun 2022, 1:02 p.m.

DIAGNOSYS is a knowledge-based test of mathematics background knowledge for first-year university students, created by John Appleby at Newcastle University.

Project activity

Maria Aneiros on Quadratic Graphs 1 month, 2 weeks ago

Gave some feedback: Ready to use

Maria Aneiros on Gradient of straight line 1 month, 2 weeks ago

Gave some feedback: Ready to use

Tess Lynn on Formula for Quadratic Equation 5 months, 4 weeks ago

Gave some feedback: Needs to be tested

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Christian Lawson-Perfect on Completing the square 9 months, 2 weeks ago

Gave some feedback: Ready to use

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Christian Lawson-Perfect on Completing the square 9 months, 2 weeks ago

Saved a checkpoint:

Indeed it should! I've changed the pattern restriction to fix that.

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Ben Brawn commented on Completing the square 9 months, 3 weeks ago

I believe pattern should be (`+-$n`? * $v + `+-$n)^2 + `+-$n

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Ben Brawn on Completing the square 9 months, 3 weeks ago

Gave some feedback: Has some problems

F B on Transposition of formulae 10 months ago

Gave some feedback: Ready to use

Norah Storey on Simple Quadratic Equations 1 year, 1 month ago

Gave some feedback: Ready to use

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Christian Lawson-Perfect commented on Volume of cylinder 1 year, 4 months ago

Set accuracy to 0 so the exact value must be given, i.e. in terms of $\pi$ instead of a single decimal.

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Christian Lawson-Perfect on Area of Triangle 1 year, 4 months ago

Saved a checkpoint:

Fixed the measurements in drawingA

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Christian Lawson-Perfect on Expanding Two Brackets 1 year, 4 months ago

Saved a checkpoint:

Fixed the pattern restriction so a negative quadratic term with no coefficient is OK.

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Christian Lawson-Perfect on Linear Equations 1 year, 5 months ago

Saved a checkpoint:

Thanks! I've fixed both of those.

Tom Goodale commented on Linear Equations 1 year, 5 months ago

There are a couple of typos in the pairs variable:

  • In the first equation c should equal -5.5
  • The third equation should have "-2" on the right hand side instead of "+2" 
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Christian Lawson-Perfect on DIAGNOSYS 1 year, 5 months ago

Gave some feedback: Ready to use

Christian Lawson-Perfect created Range 1 year, 5 months ago

Christian Lawson-Perfect created Probability-coins 1 year, 5 months ago

Christian Lawson-Perfect created Conditional Probability 1 year, 5 months ago