Relations and Functions
Flashcard
•
Mathematics
•
8th - 9th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the plane containing the x-axis and the y-axis called?
Back
The coordinate plane.
2.
FLASHCARD QUESTION
Front
What is the point where the two axes intersect called?
Back
The origin.
3.
FLASHCARD QUESTION
Front
Is the relation a function? Why? (Example: x-value 11 has two y-values)
Back
No, because the x-value 11 has two y-values paired with it.
4.
FLASHCARD QUESTION
Front
What is the range of the graph R = { 2,3,-5,-3,-3,-5}?
Back
R = {-5, -3, 3}.
5.
FLASHCARD QUESTION
Front
What is the domain of the graph D = { 2,3,-5,-3,-3,-5}?
Back
D = {-5, -3, 2}.
6.
FLASHCARD QUESTION
Front
Define a function in terms of relations.
Back
A function is a relation where each input (x-value) has exactly one output (y-value).
7.
FLASHCARD QUESTION
Front
What are ordered pairs?
Back
Ordered pairs are pairs of numbers used to represent points on a coordinate plane, written as (x, y).
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