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MATH / A lattice point in the xy-plane is a point both of whose coordinates are integers (not necessarily positive). How many lattice points lie on the hyperbola x²−y²=17?

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problem

A lattice point in the xyxy-plane is a point both of whose coordinates are integers (not necessarily positive). How many lattice points lie on the hyperbola x2−y2=17x^2-y^2=17?
Plain-text mathematical notation (without MathML)
A lattice point in the xy-plane is a point both of whose coordinates are integers (not necessarily positive).  How many lattice points lie on the hyperbola x²−y²=17?
Original LaTeX notation
A lattice point in the $xy$-plane is a point both of whose coordinates are integers (not necessarily positive).  How many lattice points lie on the hyperbola $x^2-y^2=17$?

level

Level 5

type

Algebra

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Source and history

task_id
9ef03034-b50c-5fe8-91e2-e8afedf5886d
task_key
algebra--test--9ef03034-b50c-5fe8-91e2-e8afedf5886d
task_revision_id
1
config / split
algebra / test

Official source

initial import