2.2

Question 1

a relation in which each element of the domain is paired with exactly one element in the range.

Answer 1

function

Question 2

a set of pairs of input and output values

Answer 2

relation

Question 3

a relation is the set of all inputs or x coordinates of the ordered pairs.

Answer 3

domain

Question 4

a relation is the set of all outputs or y coordinates of the ordered pairs

Answer 4

range

Question 5

links elements of the domain with corresponding elements of the range

Answer 5

mapping diagram

Question 6

the graph of a relation to tell whether the relation is a function

Answer 6

vertical line test

Question 7

f(x) as F of X or a function f of x . note that f(x) does not mean f times x.

Answer 7

function notation

Question 8

a line is the point a which the line crosses the y axis

Answer 8

y intercept

Question 9

a line is the point at which the line crosses x axis

Answer 9

x intercept

Question 10

Ax + By = C, where A, B, and C are real numbers and A and B are not zero

Answer 10

standard form of a linear equation

Question 11

a function whos graph line is

Answer 11

linear function

Question 12

y=3x + 2

Answer 12

linear equation

Question 13

because the value of Y depends on the value of X, Y is called the

Answer 13

dependent variable

Question 14

Y = 3x + 2 x is called the

Answer 14

independent variable

Question 15

a non vertical line is the ratio of the vertical change to a corresponding horizontal change

Answer 15

slope

Question 16

when you know the slope and point on a line you can use

Answer 16

point slope form

Question 17

another form of equation of a line is slope intercept form

Answer 17

slope intercept form