Vocabulary
Is the relation a function?
Linear Functions
Formulas
Functions 101
100
Any pairing between two sets of numbers
What is a RELATION?
100
Does this graph represent a function? Justify.
NO
[there are two y-values for almost every x-value] ~or~ [it fails the vertical line test]
100
This is the slope of the x-axis, or any horizontal line
What is ZERO?
100
Ax + By = C
What is STANDARD form?
100
These limits define a graph from LEFT to RIGHT
What is the DOMAIN?
200
All the x-values for a function
What is DOMAIN?
200
Does this table represent a function? Justify.
YES
[each input (x) has only one output (y)]
200
To explain how the slope of two parallel lines are related, you would say they are this
What is the SAME?
200
y = mx + b
What is SLOPE-INTERCEPT form?
200
These limits define a graph from BOTTOM to TOP
What is the RANGE?
300
All the y-values for a function
What is RANGE?
300
Does this graph represent a function? Justify.
YES
[each input (x-value) has only one output (y-value)]
300
EVEN THOUGH THE OUTPUT REPEATS, THIS MAP IS STILL CONSIDERED ONE OF THESE.
What is a function?
300
y - y1 = m(x - x1)
What is POINT-SLOPE form?
300
To pass the vertical line test, it cannot cross a graph more than this many times
What is ONCE?
400
THE NUMBER OF DIFFERENT SLOPES SEEN ON THIS GRAPH
What is two?
400
Does this table represent a function? Justify.
NO
[the input of -2 has two different outputs] ~or~ [each x-value does not have its own unique y-value]
400
ALL REAL NUMBERS describes this for the graph below
What is the domain?
400
In interval notation, this symbol indicates that the endpoint is INCLUDED in the set
What are [square brackets]?
400
The format shown here:
f(x) = 5x + 2
What is FUNCTION NOTATION?
500
A special relation in which each input has exactly one output
What is a FUNCTION?
500
Does this map represent a function? Justify.
NO
[the input 0 actually has two different outputs] ~or~ [the x-values do not have unique y-values]
500
If two lines are perpendicular, then their slopes are related in this way
What are OPPOSITE RECIPROCALS?
500
In interval notation, this type of symbol indicates that the endpoint is NOT INCLUDED in the set
What are (parentheses)?
500
When y=0, you can find this
What is the ZERO?
~or~
What is the X-INTERCEPT?