Blast from the Past
Is It a Function?
Relations/Domain and Range
Vocabulary
100
Simplify (-17) + (-15).
What is (-32)?
100
The name of the test used to determine whether a graph is a function or not is called the ____________ _______ test.
What is vertical line?
100
The domain of the relation {(1,0), (-2, 3), (3, 4)} would be:
What is {1, -2, 3}?
100
The name of the horizontal axis is called______________.
What is the x-axis?
200
Compare the numbers 81% and 4/5. Which number is greater? Justify your answer!
81% because 0.81 is larger than 0.8.
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 range of this relation:
{(8,7), (-6, 3), (2, 0)}
What is {7, 3, 0}?
200
Another name for the coordinates (0,0) would be the _______________.
What is the origin?
300
Simplify: 3[(8-5+2)-(3x4)]
What is (-21)?
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?
300
Name three ways to show a relation.
What is a set of ordered pairs, graph, and table?
300
A set of ordered pairs is called a _______________.
What is a relation?
400
Solve for b: 14 - 3a = (-16)
b = 10
400
These are the graphs that represent functions.
What is 1,2,4 and 6?
400
Show the relation {(0, 4), (-7, 5), (8, 3), (-7, 2)} as a table.
See white boards.
400
The set of all of the x-values in a relation is called the__________________.
domain
500
Write the number 0.0001095 in scientific notation.
1.095 x 10-4
500
Which of the following do not represent functions and why?
What is the middle graph in the first line and the right graph on the bottom line?
500
Show the relation {(6, 4), (-3, -2), (6, 0), (-4, 4)} as a table and a graph. Write the domain and range.
See whiteboards.
D: {(6, -3, -4)}
R: {(4, -2, 0)}
500
Write an example of an ordered pair. Circle the first number. This number is called the________________.
What is the x coordinate?