# ALGEBRA 2 EXAM terms

## 71 terms

relation

domain

### opposite reciprocals

slopes of perpindicular lines are

f(g(x))

### 0

slope of a horizontal line

### undefined

slope of a vertical line

### greatest integer that is less than or equal to x

greatest integer function

### positive

rising lines have....slopes

x intercept

y intercept

### vertical line test

used to determine whether a graph of an equation is a relation or a function

### functions

relations in which each member of the domain is matched with exactly each member of the range

### domain

set of all possible x values

range

### range

set of all possible y values

### inconsistent

what is it called when a system has no solutions

### the maximum and or minimum production points occur at the vertices (corner points) of the feasible region

Linear programming theorem

### feasible region

region that represents all possible points in a linear programming problem

### dependent

what is it called when a system has infinite number of solutions

matrix

### row by column tells the number of places in a matrix

dimension of a matrix

natural numbers

whole numbers

integers

rationals

### cannot be expressed as a ratio

irrational numbers

real numbers

absolute value

variable

constant

coefficient

complex numbers

exponent

### conjunctions and disjunctions have two inequalities

compound inequality

conjunction

disjunction

inequality

### equals the absolute value of the difference of the coordinates

distance between two points on the number line

union

standard form

relation

linear equation

### y=mx+b

slope intercept form

triangular form

### method for solving matrix equations by A*X=B

Gaussian elimination

### a system has at least one solution (intersecting/ perpindicular lines)

consistent system

dependent system

### a system that has no solutions (parallel lines)

inconsistent system

constraints

### profit or cost equation

objective quantity

### matrix of a matrix equation that has the numbers before the variables

coefficient matrix

### quotient of two polynomials

rational expression

reciprocals

LCD

### expression that has a rational expression in the numerator, denominator, or both

complex fractions/ complex rational expressions

### equation that contains one or more rational expressions

rational equation

direct variation

### as one value goes up the other goes down y=k/y

inverse variation

joint variation

scalar

### coefficient matrix

A matrix of a matrix equation is called...

### unknown matrix

X matrix of a matrix equation is called....

### constant matrix

B matrix of a matrix equation is called...

### linear

no exponent on x, 1st degree

term is raised to the 2nd power/ degree

### cubic

term is raised to the 3rd power/degree

1 term

2 terms

3 terms

4 or more terms