Variables in Context
ISEE Middle Level · Flashcards · Application
ISEE MIDDLE LEVEL · FLASHCARDS
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QUESTION
What does the expression
x
4
\frac{x}{4}
4
x
represent if
x
x
x
is the total miles driven?
QUESTION
What does the expression
x
(
y
)
x(y)
x
(
y
)
represent if
x
x
x
is price per pound and
y
y
y
is pounds bought?
QUESTION
What does the expression
y
=
3
x
y=3x
y
=
3
x
mean if
x
x
x
is number of songs and
y
y
y
is total minutes?
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ANSWER
Each song is
3
3
3
minutes; total minutes are
3
3
3
times songs. Establishes a proportional relationship where duration is three times the number of tracks.
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