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Year 10 · Number and Algebra · 4 questions · 6 min
These are the four free questions for this topic. Your score will be saved before the subscription gate.
A 'list' (or array) in programming is:
List L = [4, 8, 15, 16, 23]. If the first position is index 1, what is L at index 3?
'Guess-check-and-refine' to solve x² = 50: guess 7 gives 49 (too low), guess 8 gives 64 (too high). The solution is between:
Continuing, to refine the guess for x² = 50, a sensible next guess is:
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