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