mscroggs.co.uk
mscroggs.co.uk

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 coordinates, or a random puzzle.

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2024

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2025