mscroggs.co.uk
mscroggs.co.uk
Click here to win prizes by solving the mscroggs.co.uk puzzle Advent calendar.
Click here to win prizes by solving the mscroggs.co.uk puzzle Advent calendar.

subscribe

Puzzles

Between quadratics

Source: Luciano Rila (@DrTrapezio)
\(p(x)\) is a quadratic polynomial with real coefficients. For all real numbers \(x\),
$$x^2-2x+2\leq p(x)\leq 2x^2-4x+3$$
\(p(11)=181\). Find \(p(16)\).

Show answer

If you enjoyed this puzzle, check out Sunday Afternoon Maths L,
puzzles about graphs, or a random puzzle.

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021

Advent calendar 2020


List of all puzzles

Tags

dice combinatorics perfect numbers ellipses quadrilaterals cryptic crossnumbers lines circles time routes factorials median division star numbers quadratics odd numbers scales 3d shapes tangents speed probabilty sport products multiplication angles palindromes volume triangles digital clocks shape crossnumber colouring complex numbers unit fractions geometric mean crosswords polygons advent remainders spheres digital products triangle numbers graphs clocks trigonometry probability dates pascal's triangle gerrymandering floors perimeter integration games shapes surds cryptic clues differentiation hexagons sum to infinity percentages grids number geometric means wordplay dodecagons parabolas multiples even numbers cards cube numbers partitions mean binary menace proportion addition ave money cubics christmas crossnumbers fractions sets tournaments rugby factors numbers decahedra 2d shapes balancing range axes doubling arrows squares expansions coins logic digits integers pentagons irreducible numbers algebra geometry indices sums the only crossnumber functions consecutive numbers symmetry books folding tube maps chalkdust crossnumber calculus square roots determinants averages rectangles planes taxicab geometry bases consecutive integers dominos polynomials elections tiling means people maths area chess square numbers prime numbers coordinates matrices albgebra sequences chocolate regular shapes

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2024