Unit 3

2. an abstract description of a concrete system using mathematical concepts and language.
4. relationship or expression involving one or more variables
5. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
7. those which are greater than zero.
10. when both x and y are going down
13. combining two or more numbers together to get a new total.
14. a thing to find data
15. a number that is not a fraction; a whole number.
18. roughly speaking, a polynomial which has only one term
20. to understand a function in a meaningful way.

1. an expression of more than two algebraic terms
3. a measurement of a plane angle in which one full rotation is 360 degrees
6. set of all real numbers lying between two fixed endpoints with no "gaps".
8. take away (a number or amount) from another to calculate the difference
9. it is not divisible by 2
11. when both x and y are going up
12. The axes of a two-dimensional Cartesian system divide the plane into four infinite regions
16. quantity having a value less than zero
17. Any number that can be exactly divided by 2
19. obtain from (a number) another that contains the first number a specified number of times.