chapter 3

Question 1

The set of inputs; x values

Answer 1

Domain

Question 2

The set of outputs; y values

Answer 2

Range

Question 3

f(x)

Answer 3

Function

Question 4

a graph used to determine if a relationship exist between two sets of data

Answer 4

scatter plot

Question 5

as the x values increase, the y value increases

Answer 5

positive correlation

Question 6

as the x value increase, the y value decreases

Answer 6

negative correlation

Question 7

a function whose graph is a line

Answer 7

linear function

Question 8

a set of ordered pairs

Answer 8

relation

Question 9

the trend line that most closely matches the data in a scatter plot

Answer 9

line of best fit

Question 10

a transformation that shifts each point on a graph of a function the same distance horizontally or vertically

Answer 10

translation

Question 11

making a prediction within the range of known values

Answer 11

extrapolation

Question 12

when there is no general relationship between x values and y values

Answer 12

no association

Question 13

Models the data in a scatter plot by showing the general direction of the data

Answer 13

trend line

Question 14

a method used to calculate the line of best fit

Answer 14

linear regression

Question 15

represented by r, its a number between -1 and 1 that indicates the direction and strength of a linear relationship

Answer 15

correlation coefficient

Question 16

a relation in which each input is assigned to exactly one output

Answer 16

function

Question 17

making a prediction outside the range of known values

Answer 17

extrapolation

Question 18

Describes a cause and effect relationships

Question 19

maps on each point on a graph of a function to a new location

Question 20

a set of data that uses two variables

Answer 20

Bivariate data