mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

Two lines

Let A and B be two straight lines such that the gradient of A is the y-intercept of B and the y-intercept of A is the gradient of B (the gradient and y-intercept of A are not the same). What are the co-ordinates of the point where the lines meet?

Show answer & extension

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

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2020