prime number — an integer — (have) exactly two divisors, even number — an integer — (be) divisible by 2, rational number — a number — can be written as a fraction, irrational number — a number — cannot be written as a simple fraction, integer — a number — (have, not) a fractional part, function — a relation — (assign) exactly one output to each input, subset — a set — (contain) only elements from another set, empty set — a set — (have, not) any elements, finite set — a set — (have) a countable number of elements, parallel lines — lines — (intersect, not), right triangle — a triangle — (contain) one 90-degree angle, square — a quadrilateral — (have) four equal sides and four right angles, rhombus — a quadrilateral — (have) four equal sides, triangle — a polygon — (have) three sides, graph — a set of points — (show) the relationship between two variables

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