Quadratic equations and expressions crop up in all sorts of contexts. Each of the problems in this feature includes a quadratic element; we hope you find them intriguing...
problem
Favourite
Difference of Two Squares
Age
14 to 16
Challenge level
What is special about the difference between squares of numbers adjacent to multiples of three?
problem
Favourite
Pythagoras Perimeters
Age
14 to 16
Challenge level
If you know the perimeter of a right angled triangle, what can you say about the area?
problem
Mega Quadratic Equations
Age
14 to 18
Challenge level
What do you get when you raise a quadratic to the power of a quadratic?
problem
Favourite
System Speak
Age
16 to 18
Challenge level
Five equations... five unknowns... can you solve the system?
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Equations and formulae - Stage 4
Challenge level
Working on these problems will help you develop a better understanding of equations and formulae.
list
Polynomials
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Creating and manipulating linear and quadratic expressions - Stage 4
Working on these problems will help you develop a better understanding of how to create algebraic expressions.