Across
- 1. Besides his contributions to matrix mathematics, this mathematician proved the Fundamental Theorem of Algebra in 1799, which states that every polynomial equation of degree n with complex number coefficients has n roots, or solutions, in the complex numbers.
- 4. This principle, inspired by a common fowl, states that if n items are put into m containers, with n > m, then at least one container must contain more than one item.
- 6. The number of elements in the set of positive three-digit palindromes that are divisible by three.
- 7. The number of solutions to the equation A + B = C where A, B and C are distinct 1-digit counting numbers.
- 9. The plane defined by an x and y-axis
- 11. The smallest possible number of regions in a figure containing two intersecting circles, at least one pair of perpendicular lines, and at least one pair of parallel lines.
- 12. The Greek father of Mathematics, who represented equations and numbers using rocks.
Down
- 2. The length in meters of a line segment drawn from and tangent to two circles with radii of 7m and 19m, with their centers 20m apart.
- 3. the minimum possible perimeter, in square meters, of a rectangle with an area of 240 square meters and sides that are integer numbers of meters.
- 5. The number of 4-digit positive numbers with only even digits that are divisible by 5.
- 8. The longest side in a right triangle.
- 10. The number of interesting ordered quadruples , where an ordered quadruple of integers (a, b, c, d) is interesting if 1 m, then at least one container must contain more than one item.