Variables in Context
ISEE Upper Level · Flashcards · Application
ISEE UPPER LEVEL · FLASHCARDS
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QUESTION
What does the expression
x
+
4
x + 4
x
+
4
represent if a rectangle has side lengths
x
x
x
and
x
+
4
x + 4
x
+
4
?
QUESTION
Identify the meaning of
x
x
x
if
P
=
2
x
+
2
(
x
+
7
)
P = 2x + 2(x + 7)
P
=
2
x
+
2
(
x
+
7
)
is the perimeter of a rectangle.
QUESTION
What does the variable
n
n
n
represent if
T
=
2.99
n
+
5.50
T = 2.99n + 5.50
T
=
2.99
n
+
5.50
is a bill with
n
n
n
items plus a
5.50
5.50
5.50
delivery fee?
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ANSWER
n
n
n
is the number of items ordered. The bill adds delivery to 2.99 times
n
n
n
, indicating
n
n
n
as the quantity of items.
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