Algebra 2

4. An expression with variables
6. in two variables Two equations of the form Ax+By=C and Dx+Ey=F where x and y are variables, A and B are not both zero, and D and E are not both zero.
7. A mapping, or pairing, of input values with output values.
8. A real number associated with any square matrix A, denoted by det A.
10. The parts of an algebraic expression that are added together.
11. An inequality such as x>1 or 2n<8.
12. A mathematical representation of a real-life situation
14. A plane divided into four quadrants by the x-axis and the y-axis, used to plot ordered pairs.
16. An expression that consists of numbers, operations, and grouping symbols
17. A rectangular arrangement of numbers in rows and columns
19. A real number by which you multiply a matrix.
20. A pair of numbes of the form (x, y) that represents a point in the coordinate plane
21. A letter that is used to represent one or more numbers
22. A linear equation written in the form y=mx+b where m is the slope and b is the y-intercept of the line.

1. A relation with exactly one output for each input
2. The point on a number line that corresponds to a real number
3. The process of multiplying each entry in a matrix by a scalar.
5. The distance the number is from 0 on a number line.
9. An equation that can be written in the form ax=b where a and b are constants and a =/= 0.
13. A mathematical statement that represents a real-life problem
15. A set of rules that gives the order in which operations should be performed when evaluating expressions
18. A word equation that represents a real-life problem