Chapter 2 Flashcards
intro to graphing/ Coordinate system
Dominion?
x coordinites
Range
y coordinites
orgin?
(0,0) center of graph
mapping?
table?
x | y
__________
|
|
|
|
Relations?
Any set of points
What grouping tool do you use when listing answers?
Braces - { }
In what order do you list values in?
Lowest to highest- accending.
True or False: You only list each value once for Domain and once for Range.
True.
Give an example of an ordered pair.
(-2 , 3)
In what letter shape does the quadrant orders go in?
A letter Cshape.
II I
III IV
What is the dependent variable?
The variable in a relation that is determinED by the input. It is the Range or Y value.
What is an Independent variable?
The variable in a relation that determinES the output. It is the domain or the X value.
Explain how to describe a qualitative graph.
1) describe where it starts from; doe it start from the orgin? Below? Above?
2) According to the qualitative graph, describe what happens after the start. Does it increase or decrease? At some point does the value stay constant?
3) describe where the graph ends
X - Intercept?
The point where the line crosses the x axis
( X, 0 )
Y - Intercept?
The point where the line crosses the y axis
( 0, Y)
Linear function?
The graph of a straight line.