Math Final

2. f[g (x)] or (f+g)(x)/(f-g)(x)
5. the numerical factor in a term
6. any number which cannot be expressed as a whole number or zero
7. a quantity whose value does not change
12. A locus of points whose perpendicular distances to a line, called the directrix, and to a fixed point, called the focus, are equal.
13. ratio of vertical change to horizontal change in a non-vertical line
16. y=mx+b
18. a statement that two algebraic expressions are related but not equal
19. A number that can be written in the form a + bi, where a and b are real numbers and i is the square root of -1.

1. A number's distance form zero on a number line. Distance is expressed as a positive value.
3. m=y2-y1/x2-x1
4. The points where a curve or line drawn on a rectangular coordinate-system graph intersect the vertical and horizontal axes.
8. x2 + bx + c
9. The sum or difference of terms which have variables raised to positive integer powers and which have coefficients that may be real or complex.
10. Any symbol, usually a letter, which could represent a number.
11. A number or expression that is multiplied by one or more other numbers or expressions to yield a product.
14. one of the positive or negative whole numbers or zero
15. The set of values of the independent variable(s) for which a function or relation is defined.
16. A list of numbers set apart by commas
17. D= √(x2-x1)^2+(y2+y1)^2