Use Variables in Real-World Problems
Middle School Math · Flashcards · Recall
MIDDLE SCHOOL MATH · FLASHCARDS
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QUESTION
What restriction should be stated if
n
n
n
represents the number of students?
QUESTION
Identify the set of possible values if
d
d
d
is the number of days in a week.
QUESTION
What does it mean when a variable is restricted to a specified set, such as
n
∈
{
1
,
2
,
3
,
4
}
n \in \{1,2,3,4\}
n
∈
{
1
,
2
,
3
,
4
}
?
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ANSWER
n
n
n
can only take values from
{
1
,
2
,
3
,
4
}
\{1,2,3,4\}
{
1
,
2
,
3
,
4
}
. The variable is limited to only those specific values in the set.
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