Function Vocab
Evaluating Function Rules
Writing Function Rules
Graphing
Is it a Function?
100
What is a relation?
What is A set of order pairs
100
Evaluate f(x)=-3x if x=-8
What is 24?
100
Given y=x-8? What is the y-intercept and draw a line in which the it will go in.
(0,-8) and positive
100
The point (-7,2) is in this quadrant
What is the 2nd quadrant?
100
Is it a function?
{(-2, 3), (4, 5), ( -2, 6)}
What is No because x repeat and have different y-values?
200
What is the slope intercept formula and what does each letter represent?
What is y=mx+b, m=slope, b=y-intercept
200
Evaluate y=2x+1 if x=-8
What is -3?
200
y=-3x What is the y-intercept and draw a line in which the it will go in.
(0,0) and positive
200
How do you graph the point (-3,4)?
What is you go left 3 units on the x-axis then go up 4 units on the y-axis?
200
Does the points (1,3) and (1,3) represent a function?
YES
300
The set of second coordinates in a relation or a function. Name everything that value can be
What is the range/Y-Value/Output?
300
Evaluate y=-3 - x if x=-8
What is 5?
300
y=-8x-9 What is the y-intercept and draw a line in which the it will go in.
(0,-9) and Negative
300
The signs of the points in quadrant 4
What is the (- , -)?
300
Is it a function?
| x | y |
| 2 | 4 |
| 1 | 5 |
| 0 | 6 |
What is YES because x doesn't repeats?
400
A relation states that for every ______ there's only ___ ________.
x-value, one Y-value
400
Evaluate y=25 + 6x if x=5
What is 55?
400
y=2x+7 What is the y-intercept and draw a line in which the it will go in.
(0,7) and positive
400
The quadrant that doesn't contain one of these points (-2,3), (3,-4) (-2,-3)
What is first quadrant?
400
Is it a function?
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What is YES because it passes the Vertical Line Test?
500
The test to tell if a graph is a function
What is the Vertical Line Test?
500
Evaluate y=-(4x+2) if x=-9
What is -30
500
y=2x-7x+9-7 What is the y-intercept and draw a line in which the it will go in.
(0,2) and negative
500
What quadrant is the point (2,0) in?
What is none because the point sits on the x-axis
500
Does this relation represent a function (0,5), (1,2),(6,2),(0,5),(5,0)?
YES, because the x-values have the same y-value