Mathematics

3. A relationship or expression involving one or more variables.
4. In Quadratics; the maximum or minimum point of a parabola. Outside Quadratics; a point where lines meet.
5. The X and Y intercepts
7. An adjective; X will increase/decrease slowly at first, but then increasingly more rapidly.
11. The descriptor of a line that neither curves nor sways
14. The process of finding what to multiply together to get an expression.
16. An equation containing one or more terms in which the variable is raised to the power of two, but no terms in which it is raised to a higher power.
17. The curve formed by the set of points in a plane that are all equally distant from both a given line and a given point.
18. A way of remembering how to compute the sine, cosine, and tangent of an angle.
19. A set of all output values (of a function)
20. an expression that is a sum or difference of three terms

1. The longest side of a triangle, opposite the right angle.
2. a quantity calculated to indicate the extent of deviation for a group as a whole
6. The ratio of a circle's circumference to its diameter, the 16th letter of the Greek alphabet, or alternatively (with an "e"); a baked dish of fruit, or meat and vegetables, typically with a top and base of pastry.
8. A philosopher and mathematician of Samos, Greece.
9. an expression that is a sum or difference of two terms
10. Interest that is deposited back into the principle account in order to earn interest itself.
12. A law; the square of a side of a plane triangle equals the sum of the squares of the remaining sides minus twice the product of those sides and the cosine of the angle between them.
13. A word who's origin stems from the Greek words for 3 sides shapes, and measurement.
15. A set of all input values (of a function)