Relations and Functions

Question 0

What are some facts of the x-coordinate?

Answer 0

1. Is the Independent Variable
2. It will change regardless of the other variable
   Ex: Time is constantly changing but it does not depend on what you are doing.

Question 1

Define point of origin.

Answer 1

Is where the two lines intersect at 0.

Horizontal line is the x-axis; Vertical line is the y-axis.

Question 2

What are some facts about the y-coordinate?

Answer 2

1. Is the Dependent Variable
2. How it changes depends on the other variable
   Ex: How many jumping jacks you can do depends on how much time you have.

Question 3

Define ordered pair.

Answer 3

Names the points on a coordinate plane. (x-coordinate, y-coordinate)

Question 4

Define x-coordinate.

Answer 4

Corresponds to a number on the x-axis. (X is the independent variable)

Question 5

Define y-coordinate.

Answer 5

Corresponds to a number on the y-axis. (Y is the dependent variable)

Question 6

Define relation.

Answer 6

Is a set of ordered pairs such as (1,3), (2,4), (3,5). It can be showed on a table or a graph.