Polynomial functions and their roots

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Favourite

Exploring Cubic Functions

Age

14 to 18

Challenge level

2 out of 3

Quadratic graphs are very familiar, but what patterns can you explore with cubics?
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Favourite

Curve Fitter

Age

14 to 18

Challenge level

2 out of 3

This problem challenges you to find cubic equations which satisfy different conditions.
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Favourite

Polynomial Relations

Age

16 to 18

Challenge level

1 out of 3

Given any two polynomials in a single variable it is always possible to eliminate the variable and obtain a formula showing the relationship between the two polynomials. Try this one.
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Favourite

Mechanical Integration

Age

16 to 18

Challenge level

2 out of 3

To find the integral of a polynomial, evaluate it at some special points and add multiples of these values.
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Favourite

Spinners

Age

16 to 18

Challenge level

2 out of 3

How do scores on dice and factors of polynomials relate to each other?
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Symmetrically So

Age

16 to 18

Challenge level

1 out of 3

Exploit the symmetry and turn this quartic into a quadratic.
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Janusz Asked

Age

16 to 18

Challenge level

2 out of 3

In y = ax +b when are a, -b/a, b in arithmetic progression. The polynomial y = ax^2 + bx + c has roots r1 and r2. Can a, r1, b, r2 and c be in arithmetic progression?
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More Polynomial Equations

Age

16 to 18

Challenge level

2 out of 3

Find relationships between the polynomials a, b and c which are polynomials in n giving the sums of the first n natural numbers, squares and cubes respectively.
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Cubic Spin

Age

16 to 18

Challenge level

2 out of 3

Prove that the graph of f(x) = x^3 - 6x^2 +9x +1 has rotational symmetry. Do graphs of all cubics have rotational symmetry?
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Common Divisor

Age

14 to 16

Challenge level

1 out of 3

Find the largest integer which divides every member of the following sequence: 1^5-1, 2^5-2, 3^5-3, ... n^5-n.