Vocabulary
Is It a Function?
Relations/Domain and Range
Coordinate Plane Review
100
All of the x-values or input values in a relation are part of the _________
What is domain?
100
Is the set of ordered pairs a function? {(2, 1) (4, 1) (6,3) (5,2)}
YES
100
The inputs of the relation {(1,0), (-2, 3), (3, 4)} would be:
What is {-2, 1, 3}?
100
The name of the horizontal axis is called______________.
What is the x-axis?
200
All of the y-values or output values are part of the ___________
What is range?
200
A function is a special type of relation where every ___ value has exactly one output, or ___ value.
What is x, y?
200
Write the outputs of this relation: {(8,7), (-6, 3), (2, 0)}
What is {0, 3, 7}?
200
Another name for the coordinates (0,0) would be the _______________.
What is the origin?
300
A ________________ is a set of ordered pairs.
What is relation?
300
Determine if the following relation is a function. Explain why or why not. {(9, 0), (3, 0), (2, 2), (-3, -4)}
What is YES? Because the x-values do NOT repeat
300
Name three ways to show a relation.
What is a set of ordered pairs, graph, and table?
300
The number of quadrants on a coordinate plane.
What are four?
400
A __________________ assigns each element in set A (x-values) to exactly ONE element in set B (y-values).
What is a function?
400
What is NO because each input is not assigned to exactly one output
400
Show the relation {(0, 4), (-7, 5), (8, 3), (-7, 2)} as a mapping.
See white boards for mapping.
Domain (-7, 0, 8) Range (2, 3, 4, 5)
400
Give an example of an ordered pair and what quadrant your example would be found in.
Answers will vary.
500
This is used to determine if a graph is or is not a function.
What is the vertical line test?
500
What is YES because each x-value pairs to only one y-value.
500
Show the relation {(6, 4), (-3, -2), (6, 0), (-4, 4)} as a graph. Write the inputs and outputs.
See whiteboards. I: {(-4, -3, 6)} O: {(-2, 0, 4)}
500
Write an example of an ordered pair. Circle the first number. This number is called the________________.
What is the x coordinate?