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Relations & Functions
Students can use these cards to test their understanding of relations and functions.
15
Mathematics
9th Grade
12/01/2010

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Cards

Term
Is this set of ordered pairs a function?
{(4,4), (5,5), (9,9), (3,3)}
Definition
FUNCTION!
Term
Is this set of ordered pairs a function?
{(3,4), (4,5), (5,6), (6,7)}
Definition
FUNCTION!
Term
Is this set of ordered pairs a function?
{(4,1), (5,1), (9,1), (3,1)}
Definition
FUNCTION!
Term
Is this set of ordered pairs a function?
{(4,2), (2,4), (4,3), (3,4)}
Definition
NOT A FUNCTION!
Term
Is this set of ordered pairs a function?
{(0,4), (8,2), (0,9), (6,3)}
Definition
NOT A FUNCTION!
Term
What rule represents the function that finds y by multiplying x by 6?
Definition
y = 6x
Term
What rule represents the function that finds y by decreasing x by 7?
Definition
y = x - 7
Term
TRUE/FALSE? A relation can have 2,000 ordered pairs.
Definition
TRUE!
Term
TRUE/FALSE? A relation is a set of x-values only.
Definition
FALSE!
Term
TRUE/FALSE? The set of all y-values in a relation is called the RANGE.
Definition
TRUE!
Term
What is the set of all x-values of a relation called?
Definition
DOMAIN!
Term
TRUE/FALSE? A function is a special type of relation where the x-values DO NOT repeat.
Definition
TRUE!
Term
Using the x-values of 5, 6, and 7, what ordered pairs satisfy the rule y = x + 4?
Definition
{(5,9), (6,10), (7,11)}
Term
Using the x-values of 1, 3, and 9, what ordered pairs satisfy the rule y = -2x?
Definition
{(1, -2), (3,-6), (9, -18)}
Term
What is the COOLEST subject?
Definition
MATH!
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