School: maths

1. What do you call this formula: [-b ± √(b^2-4ac)] / 2a? 2. A polygon with 10,000 sides. 3. A big ******' number! 4. The intersection of the x-axis and the y-axis in a coordinate plane. 5. Any number divided by zero is _______. 6. A part of an equation that isn't really anything but could be anything (as in an integer, a complex number, anything...) that always remain as mystery in the field of mathematics. 7. A side of a right triangle that is considered as the longest side. 8. The opposite of any given number, if it were to become bipolar. 9. A statement that of two quantities one is specifically less than or greater than another. 10. A branch of mathematics dealing with spatial relationships. 11. It is said to be _______ when you are looking for the square root of a negative number. 12. Two lines that will never meet are called _______ lines. 13. A device that gives you an ease in calculating mathematical problems and is responsible for having a more accurate answers. 14. A straight line which a curve approaches arbitrarily closely, but never reaches, as they go to infinity. 15. A precise step-by-step plan for a computational procedure that begins with an input value and yields an output value in a finite number of steps