List

Algebra and Functions

Power match
problem
Favourite

Power match

Age
16 to 18
Challenge level
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Can you locate these values on this interactive logarithmic scale?
Extreme dissociation
problem

Extreme dissociation

Age
16 to 18
Challenge level
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In this question we push the pH formula to its theoretical limits.
Cubic roots
problem

Cubic roots

Age
16 to 18
Challenge level
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Find the location of the point of inflection of this cubic.