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problem
Parabolic patterns
The illustration shows the graphs of fifteen functions. Two of them have equations $y=x^2$ and $y=-(x-4)^2$. Find the equations of all the other graphs.
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problem
Intersections
Change one equation in this pair of simultaneous equations very
slightly and there is a big change in the solution. Why?
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problem
Tangled trig graphs
Can you work out the equations of the trig graphs I used to make my pattern?
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problem
Whose line graph is it anyway?
Which line graph, equations and physical processes go together?