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

(2,2) (9,8) (5,0) (7,7)

Yes

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

If a triangle has leg lengths of 3 and 4, what is the hypotenuse length?

5

500

(2,2) (-2,0) (1,9) (3,9)

Yes

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?
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