Vocab #1

3. square root of -1
5. the process of finding the factors of a polynomial
6. a graph of a set of data pairs (x, y) used to determine whether there is a relationship between the variables x and y
7. the sum of two monomials
8. type of equation whose graph is a parabola
10. two lines in the same plane that intersect to form a right angle because they have opposite reciprocal slopes
12. one of two or more integers that can be exactly divided into another integer
13. the expression under the radical sign in the quadratic formula

1. an expression that is either a number, a variable, or the product of a number and one or more variables
2. a measure, denoted by r, of how well a function fits a set of data pairs (x,y)
4. the ratio of vertical change to horizontal change; rise over run; slope
6. number that produces a specified quantity when multiplied by itself
9. a rectangular arrangement of numbers, called elements, in rows and columns
10. shape of the graph of a quadratic equation
11. the number that describes a square matrix