Vocabulary
Evaluating
Write the Rule
Graphing
Is it a Function?
100
True or False - A relation is a set of ordered pairs.
What is TRUE?
100
Evaluate: y = -3x when x=2
What is -6?
100
Write the rule:
(0, -2), (1, -1), (2, 0)
What is y = x - 2?
100
The point (1, 2) is found in this quadrant.
What is the 1st quadrant?
100
Is it a function? {(2, 3), (4, 5), (-2, 6)}
What is YES because x does not repeat?
200
Another term for the inputs of a function.
What is the domain?
200
Evaluate: y = 2x + 1 when x = -4
What is -7?
200
Write the rule:
(0, 0), (1, 3), (2, 6)
What is y = 3x?
200
How do you graph the point (-3, 4)? (Explain the directions from the origin.)
What is you go left 3 units on the x-axis then go up 4 units on the y-axis?
200
Using the vertical line test, does the graph of the points (1, 3) and (1, 5) represent a function?
What is False, the points fail the vertical line test
300
Another term for the outputs of a function.
What is the range?
300
Evaluate: f(x) = -2 - x for f(6)
What is -8?
300
Write the rule:
(0, 0), (2, 1), (4, 2)
What is y = x/2?
300
The signs of the points in Quadrant 2.
What is the (- , +)?
300
Is it a function?
| x | y |
| 2 | 4 |
| 1 | 5 |
| 2 | 6 |
What is NO because x repeats?
400
A relation that assigns exactly one output to every input.
What is a function?
400
Evaluate: f(x) = 25 + 4x for f(5)
What is 45?
400
Write the rule:
(-1, -2), (0, 0), (1, 2), (2, 10)
What is f(x) = 2x?
400
This quadrant that doesn't contain one of these points (-2, 3), (3, -4) and (2, 3).
What is the third quadrant?
400
Is it a function? Explain why or why not.
{(-1, 3), (4, 3), (7, 3)}
What is YES because ...?
500
This test helps determine whether a graphed image is a function.
What is the Vertical Line Test?
500
Evaluate: g(x) = 4x + 2 when g(x) = -10
What is -3?
500
Given the points write a function rule (0,5); (1,6); (2,7);(-1,4)
What is f(x)=x+5
500
The quadrant the point (0, 2) falls in.
What is none because the point sits on the y-axis!
500
Is it a function? Explain why or why not.
What is NO because it does not pass the Vertical Line Test?